Product Name: Limit Switch Model: ME-8108 Actuator Action: Momentary Actuator Type: Rotary Adjustable Lever Arm with Roller Contact Configuration: 2 NC + 2 NO Voltage Rating: AC250V, 5A / DC115V, 0.4A Roller Dimension: 1.8 x 0.7cm (D*H) Lever Arm Length: 11cm / 4.3 inch Fixing Thread Diameter: 0.4cm / 0.2 inch Material:Plastic + Metal colour:blue Package Contents: 10 x Momentary Switch Only the above package content, other products are not included. Note: Light 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.