Dust-Proof Socket 13mm Aperture Dust Excluding Socket Built-In Spring Floor Dust Proof Lock Socket Circled for Door Flush Bolt Dust Excluding Socket Copper Dust-Proof Keeper 13mm Aperture Floor Dust Proof Lock Socket Built-In Spring Circled Door Lock Accessories for Door Flush Bolt Feature: 1. Solid and Durable: Made of high-quality copper material, the dust-proof socket is solid and thick, ensuring long-lasting durability that can withstand frequent use without damage. 2. Wide Compatibility: The dust excluding socket can accommodate plunger pins ranging from 0-20mm in length, making it suitable for a wide range of applications. 3. Spring-loaded Design: With an internal spring, the dust cover has excellent elasticity and smoothly retracts and extends when needed, providing a reliable and effective seal against dust and debris. 4. Multiple Styles to Choose: This dust-proof keeper offers customers a variety of style options to choose from, making it easy to find the perfect fit for their needs and preferences. 5. Versatile Application: The copper floor dust proof lock socket is perfect for use with plunger pins with a diameter smaller than 13mm, making it suitable for use in various industries such as automotive, manufacturing, and construction. Specification: Certification: NONE Origin: Mainland China Model Number: Dust-Proof Socket Product main material: copper Product size: 40x25x19 mm / 1.57x0.98x0.75 in Product weight: 43 g Product color: gold, silver, copper, bronze (optional) Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2 cm measuring deviation due to manual measurement. 1 x Dust-Proof Socket