2pcs Shaft Coupling 12mm to 12mm Bore L35xD30 Flexible Joint for Servo Stepped Motor 6x6mm The rheostat is consisted of

The rheostat is consisted of ceramic core and a resistive wire wrapped to form a toroid coil with a wiper axle

Suitable for the Max 8-10mm thick glass

Description: Quarter dial design square voltmeter measuring the electric voltage with this meter

Also a great component for DIY

It is widely used to stairs

2pcs Shaft Coupling 12mm to 12mm Bore L35xD30 Flexible Joint for Servo Stepped Motor 6x6mm The rheostat is consisted ofMainly used for servo motors, spindle, step motor and so on. Wear resistant ,high hardness and excellent response. Super elastic torque can absorb vibration, appropriate a large torque transmission. Specification: Color: Silver Tone Net Weight: 102g Material: Aluminum Alloy Fixed Type: Clamp Thread Size: M4 Connection Diameter: 12mm to 12mm 0. 47 to 0. 47 inch Total Length: 35mm 1. 38 inch Outside Diameter : 30mm 1. 18 inch Package List: 2x Flexible