Check the listing for details. Unbranded Adjustable Length Roller Lever Arm. Color: Silver/Black, Condition: New – Open box. Listed at 8.00 USD. Unbranded Adjustable Length Roller Lever Arm for Limit SwitchNon-Metallic Roller(There is no part number for this item but something must be entered in that space) **DEEP DISCOUNT FOR BULK PURCHASE** Contact via message to get best price on 5 or more. DIMENSIONS (expressed in inches) OVERALL LENGTH: 3 1/2"WIDTH: 3/4"WIDTH OF SLIDE NOTCH: 0.381 ADJUSTABLE LENGTH RANGE (from center of spline receiver to top of roller): 3.238" to 1.50" ID OF SPLINE RECEIVER: 0.333 DEPTH OF SPLINE RECEIVER: 0.106 DIAMETER OF THRU-HOLE IN RECEIVER: 0.196 DEPTH OF THRU-HOLE IN RECEIVER: 0.267 DIAMETER OF ROLLER: 0.774 WIDTH OF ROLLER: 0.330 MOUNTING BOLT DIAMETER: 0.193OVERALL LENGTH: 0.978THREAD LENGTH: 0.780 At this time, I cannot even give a hint as to the manufacturer of this item or to which switch/device it is intended. Honeywell and Eaton have similar but the mounting is different. Please let me know if you need clarification, other dimensions, photos, or have questions. Weekend orders are welcomed and will be processed. Items will ship when service is available.