Ignition switch and key are made of high quality plastic and metal material. very durable and , long service life. 3 position switch inchOFF-RUN-START inch Applicable voltage: 12V Function Off - Ignition - On Specifications: Fits side mount controls or panels up to 5/8 inch Thread diameter: 20mm Product function: start the engine or turn it off Installation location: at the center console of the Scope of application:For Mercury Outboard Motors 1994 size:6.8 x 3.9 x 3.9cm Material:ABS+Metal colour:Black+Silver Package Contents: 1 x Ignition switch for outboard engine Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.