Real Avid/Revo AVSBBLK Smart Bench Block 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 Material: Polymer/Plastic Dimensions: Compact Gun Type: Pistol Gun Model: 1911 No. of Pieces: 1