Finest quality coil springs, controlled-tension wound for smooth operation without binding under compression. X"XIn-HoleX"X springs are made to fit inside restricted areas. X"XIN-HOLEX"X KITS – 12 Coil Springs; 6 sizes made to function freely inside holes from 3/32" (2.4mm) to 1/4" (4.7mm). 12" long (30.5cm). Kit # 1, ID-12; Light duty. Kit #2, ID-12; Heavy duty. Mfg: Brownells SPECS: High tensile spring wire. 12" (30.5cm) long.
