Finest quality coil springs, controlled-tension wound for smooth operation without binding under compression. X"XOver-PinX"X springs are designed to function over gun pins and plungers. X"XOVER-PINX"X MASTER KIT – Combines Kit #1 OD-12 and Kit #2 OD-12 for a total of 14 Coil springs for over-pin use. Mfg: Brownells SPECS: High tensile spring wire. 12" (30.5cm) long.
