---
product_id: 37512796
title: "Prime-Line H 3820 Left-Handed, White, Casement Locking Handle with Offset Base (Single Pack)"
brand: "prime-line"
price: "€ 27.99"
currency: EUR
in_stock: true
reviews_count: 12
category: "Prime Line"
url: https://www.desertcart.hr/products/37512796-prime-line-h-3820-left-handed-white-casement-locking-handle
store_origin: HR
region: Croatia
---

# Sleek white finish for modern windows 1.5-inch center mounting holes Durable diecast metal construction Prime-Line H 3820 Left-Handed, White, Casement Locking Handle with Offset Base (Single Pack)

**Brand:** prime-line
**Price:** € 27.99
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in style and security with Prime-Line’s sleek left-handed handle!

## Quick Answers

- **What is this?** Prime-Line H 3820 Left-Handed, White, Casement Locking Handle with Offset Base (Single Pack) by prime-line
- **How much does it cost?** € 27.99 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/37512796-prime-line-h-3820-left-handed-white-casement-locking-handle)

## Best For

- prime-line enthusiasts

## Why This Product

- Trusted prime-line brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Perfect Pairing:** Matches right-hand operator H 3821 for a cohesive window hardware set.
- • **Easy DIY Installation:** Includes mounting hardware; just a Phillips screwdriver needed—no pro required.
- • **Seamless Style Upgrade:** Contemporary white finish blends flawlessly with modern window frames.
- • **Built to Last, Not to Break:** Diecast metal handle replaces fragile plastic for premium durability.
- • **Precision Fit, Effortless Lock:** Offset base design ensures secure, smooth window closure every time.

## Overview

The Prime-Line H 3820 is a left-handed, diecast metal casement locking handle featuring a 1.5-inch center mounting hole spacing and a modern white finish. Designed for contemporary windows, it offers enhanced durability over plastic alternatives and includes all necessary mounting hardware for easy installation. Trusted by window manufacturers, this handle ensures a secure, smooth lock with a stylish offset base design.

## Description

This is a left-handed diecast casement locking handle with an offset base found on many contemporary casement windows (as viewed for the inside looking out). The mounting holes are positioned offset of the centerline down the base placing them closer to the window frame edge by 13/16 inch from the tip of the lock to the center of the mounting holes. This handle has an a white finish with mounting holes for the handle assembly and the keeper at 1-1/2 inch on center.

Review: Product quality - Bought this to replace the ones made out of plastic. These fit perfectly and are built well.
Review: Closes window like it should - Worked great. Good replacement choice.

## Features

- Used by many contemporary window manufactures
- This contemporary design is similar to a Truth hardware design
- 1-1/2 inch on center mounting holes
- Diecast construction with a white finish
- Matching right hand casement operator is Prime-Line part H 3821
- Mounting hardware included
- A Phillips head screwdriver is required for installation
- Please refer to the line art drawing for dimensions and compare with your needs before ordering

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000VYD6FQ |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #201,775 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #234 in Window Locks & Latches |
| Brand | PRIME-LINE |
| Center To Center Spacing | 1.5 Inches |
| Color | White |
| Customer Package Type | 1 |
| Customer Reviews | 4.4 4.4 out of 5 stars (285) |
| Date First Available | March 31, 2009 |
| Exterior Finish | White |
| Finish | White |
| Hand Orientation | Left |
| Handle Attachment Mechanism | Screws |
| Handle Material | Metal |
| Handle/Lever Placement | Left Hand |
| Included Components | Screwdriver |
| Indoor/Outdoor Usage | Indoor |
| Is Discontinued By Manufacturer | No |
| Item Depth | 1.5 inches |
| Item Package Quantity | 1 |
| Item Weight | 3.2 ounces |
| Item model number | H 3820 |
| Lock Type | lock_type |
| Manufacturer | Prime-Line Products |
| Material | Diecast |
| Metal Type | metal_type |
| Number Of Pieces | 1 |
| Number of Items | 1 |
| Part Number | H 3820 |
| Product Dimensions | 1.5"L x 3.5"W |
| Size | 1 Pack |
| Special Feature | special_feature |
| Special Features | special_feature |
| Specific Uses For Product | Window |
| Theme | Christmas |
| UPC | 049793038203 |
| Unit Count | 1.0 Count |
| Warranty Description | Goods are warranted against manufacturing defects for 1 year. |

## Product Details

- **Brand:** PRIME-LINE
- **Color:** White
- **Material:** Diecast
- **Product Dimensions:** 1.5"L x 3.5"W
- **Style:** Contemporary

## Images

![Prime-Line H 3820 Left-Handed, White, Casement Locking Handle with Offset Base (Single Pack) - Image 1](https://m.media-amazon.com/images/I/610KT730PBL.jpg)

## Questions & Answers

**Q: how does this work?  Is the black part supposed to be a magnet?  There is no way to engage the handle with the other part to secure the window.**
A: I bought these for pull in basement windows. Work really well, no magnets. Lock windows securely.

**Q: Do these latches work on windows that open inward?**
A: These are for windows that open outward but I think you can make it work if install in on a side that doesn't open.

**Q: What stops the window from being pushed in from the outside? Pictures of your install would be great.**
A: The rectangle black piece is inserted into the strike rectangle opening. It sticks up. The handle tip has a small hook on it. When handle is turned closed, the hook goes behind the raised black piece. This is what keeps it closed. This item is for an outswing window so if it were to be an inswing window, there would me nothing to stop it.

**Q: Whats model #for right handle**
A: Matching right hand casement operator is Prime-Line part H 3821
https://www.amazon.com/Prime-Line-Products-3821-Off-Set-Casement/dp/B000VYEW3Q

## Customer Reviews

### ⭐⭐⭐⭐⭐ Product quality
*by A***R on June 23, 2024*

Bought this to replace the ones made out of plastic. These fit perfectly and are built well.

### ⭐⭐⭐⭐⭐ Closes window like it should
*by A***E on September 12, 2025*

Worked great. Good replacement choice.

### ⭐⭐⭐⭐ Great
*by L***L on August 24, 2024*

Handle on my window broke. This was the perfect replacement.

## Frequently Bought Together

- Prime-Line H 3820 Left-Handed, White, Casement Locking Handle with Offset Base (Single Pack)
- Prime-Line H 3821 Right-Handed, White, Casement Locking Handle with Offset Base (Single Pack)
- Prime-Line H 3597 Right-Handed, Aluminum, Casement Locking Handle with Offset Base (Single Pack)

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**Shop now:** [https://www.desertcart.hr/products/37512796-prime-line-h-3820-left-handed-white-casement-locking-handle](https://www.desertcart.hr/products/37512796-prime-line-h-3820-left-handed-white-casement-locking-handle)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-26*