Product Name: Rheostat; Material: Ceramic, Metal Power Rating: 50 W; Resistance Value: 10 Ohm Mounted Hole Diameter: 9.5 mm (0.37 in) Bottom Screw Diameter: 3 mm (0.12 in); Bottom Base Diameter: 57 mm (2.3 in) Shaft Size: 40 x 6 mm (1.6 x 0.24 in, L x D); Body Size: 63 x 35 mm (2.5 x 1.4 in, max D x T) Package Contents: 1 x Rheostat Color: As Shown Net Weight: 160 g Controls electrical resistance in a circuit without interrupting current flow. The rheostat features a ceramic core with a resistive wire wound into a toroidal coil and a wiper mechanism. Commonly used for light dimming and motor speed control. Suitable for applications including arc lamps, pumps, fans, blowers, medical respirators, dental equipment, and model trains—where high voltage and current handling is required. Note: Screen settings and lighting conditions may cause slight color variation between the image and the actual product. Dimensions are subject to a tolerance of ±1–3 cm.