Ideal for law enforcement and competition. Large, extended knob provides a quick-to-grasp handle for rapid operation. Contoured shape gives added leverage for very fast cycling and clearing the action. No modification required, drop-in fit for Remington 1100 and 11-87. Mfg: Daves Metal Works SPECS: 4140 steel, black oxide, matte finish. Knob: ¾ (19mm) long, 5/8 (15.9mm) diameter.