SIZE1/2" (F) drive tools to 3/8" (M) drive sockets.. CR-V STEELMade of premium chrome vanadium steel with black phosphate finish to protect against rust and corrosion.. SECURE HOLD ON SOCKETSChamfered ends and spring-loaded ball detent provides a secure hold onto sockets and prevents them from dropping.. PRACTICALDetent notches in drive ends grips onto ratchets and extensions making it a perfect fit for any industrial, mechanic, or construction work.. RADIUSED CORNERSRadiused corners inside drive avoid stress concentrations that can cause cracking..
