Wheeler Fine Gunsmith Equipment Delta Series AR Armorers Bench Block. Specifically designed for AR-15 assembly and disassembly the Wheeler Delta Series Armorer's AR-15 Bench Block is the perfect tool for almost any gunsmith. Made of extremely durable non-marring urethane to protect the finish of your firearms and last for years. The Wheeler Delta Series Armorer's Bench Block for AR15 Rifles features a variety of notches grooves and holes on both sides and is ideally suited for the upper receiver lower receiver front sight and charging handle of an AR-15. Specifications for Wheeler Fine Gunsmith Equipment Delta Series AR Armorers Bench Block: Manufacturer: Wheeler Engineering Fabric/Material: Urethane Color: Grey Condition: New Quantity: 1 Features of Wheeler Fine Gunsmith Equipment Delta Series AR Armorers Bench Block: Positions the upper receiver lower receiver front sight and charging handle for maintenance or assembly Durable non-marring urethane material to protect gun finish Designed to assist in all aspects of an AR-15 build Ideal for changing or adjusting triggers Package Contents: Wheeler AR15 Armorer's Bench Block - Delta Series 156945 Wheeler Fine Gunsmith Equipment 156945: Delta Series AR Armorers Bench Block