Made from engineering-grade resin, the smart bench block won’t mar or damage your favorite gun and its non-slip outside rubber liner keeps the block from sliding on any surface when driving pins.The smart bench block has an embedded magnet, universal hole sizes, central barrel grove and a 1911 government model bushing wrench. Type: Bench Block Blade Type: Polymer/Plastic Blade Length: Compact Handle Description: Pistol Weight: 1911 Sharpener Type: 1