--- product_id: 48440358 title: "OTOOLWORLD Watch Case Open Ball Friction Ball Watch Case Open Ball Battery Change" brand: "diy crafts" price: "€ 16.33" currency: EUR in_stock: true reviews_count: 13 category: "Diy Crafts" url: https://www.desertcart.hr/products/48440358-otoolworld-watch-case-open-ball-friction-ball-watch-case-open store_origin: HR region: Croatia --- # Air-filled friction ball for grip Scratch-free screw back opener 2.5-inch diameter precision fit OTOOLWORLD Watch Case Open Ball Friction Ball Watch Case Open Ball Battery Change **Brand:** diy crafts **Price:** € 16.33 **Availability:** ✅ In Stock ## Summary > 🔩 Unlock your watch’s secrets with zero scratches and max style! ## Quick Answers - **What is this?** OTOOLWORLD Watch Case Open Ball Friction Ball Watch Case Open Ball Battery Change by diy crafts - **How much does it cost?** € 16.33 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/48440358-otoolworld-watch-case-open-ball-friction-ball-watch-case-open) ## Best For - diy crafts enthusiasts ## Why This Product - Trusted diy crafts brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Watch Pros:** Top-rated by watch repair experts for stubborn case backs. - • **Universal Compatibility:** Ideal for all screw back watches—ditch the wedges for good. - • **Compact & Portable Design:** 2.5-inch diameter fits perfectly in your toolkit or drawer. - • **Customizable Air Pressure:** Pump up the friction ball for a tailored grip every time. - • **Effortless Screw Back Opening:** Twist with confidence—no scratches, just smooth access. ## Overview The OTOOLWORLD Watch Case Open Ball is a 2.5-inch diameter air-filled friction ball designed specifically for opening screw back watch cases without scratching. Its customizable air pressure ensures a secure grip, making battery changes and repairs effortless. Highly rated by watch repair professionals, this compact tool is a must-have for any watch enthusiast or professional aiming for precision and care. ## Description OTOOLWORLD Watch Case Open Ball Friction Ball Watch Case Opener Ball Battery Change ## Features - The ball is already full of air + 1 ball needle - Great for opening watch cases , Hold the watch in one hand and in the other hand, press the friction ball onto the back of the watch. - Start twisting to unscrew the watch back. - 2-1/2 inches in diameter - and you can fill air by the basketball pump yourself if need full air ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07417BNF9 | | Additional Features | Portable | | Best Sellers Rank | #44,661 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #30 in Watch Repair Tools & Kits | | Brand | DIY Crafts | | Brand Name | DIY Crafts | | Closure Type | Snap | | Color | gold | | Customer Reviews | 4.2 out of 5 stars 1,301 Reviews | | Finish Types | Polished | | Inner Material | Faux Leather | | Item Dimensions D x W x H | 3.5"D x 5"W x 4.53"H | | Item Weight | 495 Grams | | Jewelry Storage Type | Jewelry Case | | Manufacturer | OTOOLWORLD | | Manufacturer Part Number | diy_product_B07417BNF9 | | Material | Plastic | | Material Type | Plastic | | Model Number | diy_product_B07417BNF9 | | Mounting Type | Table Top | | Number of Compartments | 2 | | Number of Drawers | 1 | | Number of Items | 1 | | Occasion Type | Birthday, Engagement, Mother's Day, Wedding | | Recommended Uses For Product | Watch repair | | Shape | Cylindrical | | Special Feature | Portable | | Style | Open Ball | | Style Name | Open Ball | | Target Audience | Women | | UPC | 695288514341 | | Unit Count | 1 Count | ## Product Details - **Brand:** DIY Crafts - **Color:** gold - **Finish Type:** Polished - **Material:** Plastic - **Product Dimensions:** 3.5"D x 5"W x 4.53"H - **Recommended Uses For Product:** Watch repair - **Shape:** Cylindrical - **Special Feature:** Portable - **Style:** Open Ball - **Target Audience:** Women ## Images ![OTOOLWORLD Watch Case Open Ball Friction Ball Watch Case Open Ball Battery Change - Image 1](https://m.media-amazon.com/images/I/61gXliQXl2L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by M***N on March 22, 2026* ### ⭐⭐⭐⭐⭐ Review *by R***R on May 31, 2025* ### ⭐⭐⭐⭐⭐ Review *by M***K on March 3, 2026* ## Frequently Bought Together - OTOOLWORLD Watch Case Open Ball Friction Ball Watch Case Open Ball Battery Change - LYECUN Air Duster, Air Blower Dust Blaster for Watch, Keyboard, Cameras Lens Cleaning - Joyzan Waterproof Watch Gasket Paste, Professional Watch Repair Sealing Grease Lubricator Silicone Sealant Box O Ring Pocket Clock Lubricant Diver Watchmakers Repairing Maintenance Sealer Lube Tools --- ## 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/48440358-otoolworld-watch-case-open-ball-friction-ball-watch-case-open](https://www.desertcart.hr/products/48440358-otoolworld-watch-case-open-ball-friction-ball-watch-case-open) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-23*