Wheeler Engineering Delta Series Pro Features The Wheeler Delta Series Pro Ultimate AR-15 Armorer s Kit brings together 28 pieces of professional-grade tools engineered and designed for both the DIY gun-builder and the experienced gunsmith. The half-inch drive XL F.A.T. wrench and complete set of multi-function crowfoot wrenches handle torqueing down muzzle devices and handguards with precision. An AR-15 roll pin install tool kit and pivot and roll pin installation tool simplify some of the more delicate assembly steps on a build. The upper receiver lapping kit helps improve accuracy by ensuring consistent contact between the upper and lower receivers. Additional tools in the kit include an AR-15 armorer s bench block a gas block taper pin removal tool a magwell vise block an upper and Pic rail vise block and an upper receiver action rod covering nearly every task involved in building or maintaining an AR-15. Finished in Black the kit is built from a combination of steel and polymer for durability under repeated shop use. A premium latching hard case with a handle keeps every tool protected and organized eliminating the risk of damaged or misplaced components during transport. The Wheeler Delta Series Pro Ultimate AR-15 Armorer s Kit is a comprehensive solution for anyone serious about building and maintaining AR-15 rifles. Wheeler Engineering Delta Series Pro Specifications Manufacturer: Wheeler Engineering Model: Delta Series Pro Type: Kit Color: Black Description: 28 Piece Compatible Hosts: AR-15 Case Type: Latching Hard Case Material: Steel Polymer Available At: GrabAGun