Description:Cat® Tool Retaining Pins used in the front head group of hammer power group. Pins are machined from high grade steel bar and hardened for exceptional strength and wear life. The surface hardness, finish and plating are selected for optimum performance with the sleeve bearing. They result in a lower overall cost, outstanding strength and fatigue life, superior resistance to abrasive wear, and exceptional protection against pin galling, even in high-load conditions.Application: Consult your owner's manual or contact your local Cat Dealer for more information.