--- product_id: 373285642 title: "Lapping Microfinishing Film With PSA - Set of 8 Polishing Sheets 4.25’’ x 11’’ for Scary Sharp Sharpening System - AO Aluminum Oxide With Pressure Sensitive Adhesive" brand: "lostronaut" price: "€ 53.87" currency: EUR in_stock: true category: "Lostronaut" url: https://www.desertcart.hr/products/373285642-lapping-microfinishing-film-with-psa-set-of-8-polishing-sheets store_origin: HR region: Croatia --- # Color-coded grit for quick ID 8 precision micron sizes 3mil high-strength PSA backing Lapping Microfinishing Film With PSA - Set of 8 Polishing Sheets 4.25’’ x 11’’ for Scary Sharp Sharpening System - AO Aluminum Oxide With Pressure Sensitive Adhesive **Brand:** lostronaut **Price:** € 53.87 **Availability:** ✅ In Stock ## Summary > 🔪 Sharpen smarter, not harder — precision that sticks with you! ## Quick Answers - **What is this?** Lapping Microfinishing Film With PSA - Set of 8 Polishing Sheets 4.25’’ x 11’’ for Scary Sharp Sharpening System - AO Aluminum Oxide With Pressure Sensitive Adhesive by lostronaut - **How much does it cost?** € 53.87 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/373285642-lapping-microfinishing-film-with-psa-set-of-8-polishing-sheets) ## Best For - lostronaut enthusiasts ## Why This Product - Trusted lostronaut brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Color-Coded Efficiency:** Instantly identify grit with unique colors and included color map—no guesswork, just results. - • **Built to Stick and Last:** Premium 3mil pressure-sensitive adhesive ensures sheets stay put on any flat surface for consistent performance. - • **Versatile Sharpening Powerhouse:** Perfect for woodworking tools, chisels, knives, and even gemstone polishing—unleash your craft’s full potential. - • **Ultimate Precision at Your Fingertips:** 8 micron sizes from ultra-fine 0.3 to coarse 40 for flawless sharpening. - • **Drop-Proof Packaging, Ready to Perform:** Arrives in rugged packaging to guarantee pristine sheets every time—because your tools deserve the best. ## Overview This set of 8 premium lapping microfinishing films features aluminum oxide abrasives in 8 distinct micron sizes (0.3 to 40), each color-coded for easy identification. With a durable 3mil pressure-sensitive adhesive backing, these 4.25’’ x 11’’ sheets adhere securely to flat surfaces, enabling ultra-precise sharpening for woodworking tools, knives, chisels, and more. Packaged in drop-proof envelopes, they ensure top quality and longevity for professional-grade finishing. ## Description ★ A MUST-HAVE ACCESSORY FOR SHARPENING ★ These easy-to-use lapping film sheets make it quick, easy, cost-effective to sharpen woodworking tools, chisels, knives and more. Features include: - Pack of 8 premium sheets - Each sheet has its own unique micron/grit size: .3 micron (60,000 grit), 1 micron (14,000 grit), 3 micron (8,000 grit), 5 micron (4,500 grit), 9 micron (1,800 grit), 12 micron (1,600 grit), 30 micron (600 grit), 40 micron (400 grit) and includes color map for easy and efficient identification - Packed in a drop-proof rigid envelope so you receive an undamaged product on every order - 3mil high-strength pressure-sensitive self-adhesive (PSA) - (AO) Aluminum oxide abrasive material - Unlimited uses including the scary sharp sharpening system, sharpening gemstones, charging copper laps or other precision applications. The product can be affixed to any hard flat surface (typically dead flat float glass). Amazing results can be found for chisels, plane irons, knives and other tools. ✔ Order yours now! ✔ ## Features - Set of 8, 4.25'' x 11'', premium sheets containing the following micron sizes: .3, 1, 3, 5, 9, 12, 30, 40 - Each piece has its own unique color to easily identify micron grit size and stay efficient (color map included) - Aluminum Oxide abrasive material (AO) and 3mil premium-high-strength pressure sensitive adhesive backing (PSA) - Packed in drop-proof packaging to ensure you get a top-quality product every time - Unlimited uses including scary sharp sharpening system and sandpaper chisel knife edge sharpener precision ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B094JKTCZV | | ASIN | B094JKTCZV | | Backing Type | Film | | Brand Name | LOSTRONAUT | | Color | Assorted | | Compatible Devices | Orbital Sander | | Compatible Material | Wood | | Customer Reviews | 4.6 4.6 out of 5 stars (200) | | Customer reviews | 4.6 4.6 out of 5 stars (200) | | Date First Available | 20 June 2021 | | Grit Material Type | Aluminum Oxide | | Grit Number | 0.3 | | Grit Type | Coarse | | Item Dimensions | 27.9 x 10.8 x 0.2 centimeters | | Item Dimensions L x W | 27.9L x 10.8W centimeters | | Manufacturer | LOSTRONAUT | | Manufacturer | LOSTRONAUT | | Manufacturer reference | 234234 | | Material Type | Aluminium | | Part Number | 234234 | | Product Dimensions | 27.94 x 10.8 x 0.25 cm; 85 g | | Size Name | 4.25 x 11 inch | | UPC | 850009620460 | | Unit Count | 1 Count | ## Product Details - **Backing type:** Film - **Brand:** LOSTRONAUT - **Colour:** Assorted - **Product dimensions:** 27.9L x 10.8W centimeters - **Size:** 4.25 x 11 inch ## Images ![Lapping Microfinishing Film With PSA - Set of 8 Polishing Sheets 4.25’’ x 11’’ for Scary Sharp Sharpening System - AO Aluminum Oxide With Pressure Sensitive Adhesive - Image 1](https://m.media-amazon.com/images/I/61kH869rOiS.jpg) ## Questions & Answers **Q: Are the grit-to-micron listings in your description correct? There are a few which do not match other listings found online.** A: Thank you for your question. The grit/micron units are standard conversions and correct in the description. **Q: Do they work on acrylic surface?** A: Hi there, Thank you for your question. We haven't tested yet on Acrylics. However, this product has a high quality 3 mil high-strength PSA (Pressure Sensitive Adhesive) backing which will stick to a surface. **Q: Anyone who bought these, what is the difference between this item and sand paper?** A: Last lot longer and give finer finish I've found. For lower grits use sandpaper and these to true and get your final edges. **Q: Can these be used to sand/polish resin if both the 3d printing and art varieties?** A: Thank you for your question. Yes, these microfinishing film sheets work exceptionally well for sanding and fine polishing resin in both 3D printing and art media. ## Frequently Bought Together - Lapping Microfinishing Film with PSA - Set of 8 Polishing Sheets 4.25’’ x 11’’ for Scary Sharp Sharpening System - AO Aluminum Oxide with Pressure Sensitive Adhesive - SCOTTCHEN Flat Glass Lapping Plate Sharpening System Dead Flat Float Plate Glass For Sharpening 5-1/8in W x 11-7/8in L x 8mm T -1pcs - 3M (R) 7 Sheet 4-1/4 inch x 11 inch PSA Lapping Microfinishing Film for Scary Sharp Sharpening System Aluminum Oxide AO --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/373285642-lapping-microfinishing-film-with-psa-set-of-8-polishing-sheets](https://www.desertcart.hr/products/373285642-lapping-microfinishing-film-with-psa-set-of-8-polishing-sheets) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-06-20*