100% Non-contacting design (no bearings or bushing) provides an extremely long life expectancy and is tolerant to harsh environments. Mounting holes for a 2-bolt pattern (1.280 inch B.C. x 0.125 inch O.D.) Target magnet for standard shaft sizes from 5/8 inch to 1 1/8 inch. Custom bore size available. 32 pulse per channel per revolution. Customizable lead wires, cables, and or connectors. SK Speed Sensor Enquire Now