Makes it easy to smooth out the bends and bumps found in production triggers and match-fit them for precise, no-wobble travel. Slide a trigger over the die and tap lightly around it with a small hammer. Maintains correct shape and angles. Dual use, lets you save dinged and damaged ones too. Models available for standard Single-Stack, as well as double-stack STI pistols. Mfg: Brownells SPECS: Hardened Steel. Single-Stack – 1-15/16" (23.8mm) long, 5/8" (15.9mm) thick, 1 1/2" (3.8cm) high. STI – 2" long, 15/16" thick, 3" (7.6cm) high.