HONEYWELL MICRO SWITCH LSZ55D Roller Lever Arm, 1.5 In. Arm L. More details: Roller Lever Arm, Arm Length 1-1/2 In., Roller Dia. 1/4 In., Roller Width 1/4 In., Arm Material Steel, Roller Material Steel, Arm Depth 1-25/64 In., Arm Width 3/4 In., Roller Position Offset, For Use With Mfr. No. 14CE, 914CE, LS, HDLS, HDLS Fully Potted, HDLS Stainless Steel