Fits most OMC inboard/outboard powered boats. 3-postion: Off, ignition, start. 6 terminals. Replacement for OMC model No. 393301, Pollak model No. 33-105. 20A/12V DC. Supplied with 2 keys. Overall dimensions: 2-7/8" long, 1-29/64" diameter. No. 11651: Type: 3-Position, Voltage: 12V, Length: 2-7/8", Diameter: 1-29/64", Amperage: 20A, Grade: OMC, Terminals: 6, Pkg Qty: 1, Package Type: Card Thanks for shopping Hipp Hardware Plus's Online Store for all your DIY and Home Improvement needs. Remember Hipps Help!