Brownells ''OVER PIN'' KIT #2 OD-12 95020

Finest quality coil springs, controlled-tension wound for smooth operation without binding under compression. “Over-Pin” springs are designed to function over gun pins and plungers. “OVER-PIN” KITS - 12 Coil Springs, 7 sizes, wound and sized to operate without binding over pins from 3⁄32'' (2.4mm) to 3⁄16'' (4.7mm). 12'' long (30.5cm). Kit #1, OD-12; Light duty. Kit #2, OD-12; Heavy duty.