Limit Switch Lever Arm, Actuator Type Standard Roller, For Use With E50AR16P, Mfr. No. E50AR1, Arm Length 1.5 in, Roller Position Inside Offset, Roller Dia. 0.75 in, Roller Width 0.32 in, Arm Material Stainless Steel, Roller Material Nylon, Arm Width 0.75 in, Arm Depth 2.21 in