Real Avid Smart Bench Block. And inside the block is a magnet that grabs dropped pins. So intelligently designed youll feel smarter just using it. Specs Embedded magnet holds small pins securely Universal hole sizes accommodate most pin removals Non-slip outer ring steadies block during use Central groove steadies barrels Work surface made of ultra-tough engineering resin 1911 government model barrel bushing wrench on back side Specifications for Real Avid Smart Bench Block: Manufacturer: Real Avid Gun Model: 1911 Gun Type: Handgun Fabric/Material: Engineering Grade Resin Color: Red/ Gray Additional Features: 1911 Government Bushing Wrench Central Barrel Groove Universal Hole Sizes Embedded Magnet Non-slip Outer Ring Quantity: 1 Features of Real Avid Smart Bench Block: Features: Hollow Back with Magnet Captures Pins Underneath the Block Non-slip outer ring steadies the block during use Inner groove keeps barrels stable during detailed work Engineering-grade resin wont mar or damage your favorite guns Universal pin hole sizes accommodate a wide variety of firearms Specs: Embedded Magnet Universal Hole Sizes Non-slip Outer Ring Central Barrel Grove 1911 Government Model Bushing Wrench Engineering Grade Resin Package Contents: Real Avid Smart Bench Block What firearm models does the manufacturer say Real Avid Smart Bench Block is compatible with? The manufacturer suggests that Real Avid Smart Bench Block is compatible with 1911Real Avid AVSBBLK: Smart Bench Block