Designed as a reusable Flange installation tool for the Law Tactical Folding Stock Adapter. The Flange Tool is machined from a solid bar of heat treated carbon steel, giving the strength and hardness needed for a long, reliable service life. Manufactured with a 3/8" square drive to work with torque wrenches for flange installation. Each unit is individually inspected and Black Melonite coated. Mfg: Law Tactical