Product Name : Aluminium Resistor50 watt rated power, 1 ohm resistance value, 5% tolerance, aluminum case in color, chassis mount, etc.Designed with screw tabs on both sides to tighten the resistor against a chassis or heat sink for greater heat dissipation.Widely used in power supply, transducer, elevator, audio and high requirement equipment industry.Power Rating : 50WResistance Value : 1 OhmResistance Tolerance : +/- 5%Mounting Hole Dia. : 0.3cm / 0.118"Mounting Hole Spacing : 4cm / 1.6"Case Size (Exclude Tabs) : 5 x 1.6 x 1.5cm / 2" x 0.62" x 0.59" (L*W*H)Overall Size (.) : 7.3 x 2.8cm / 2.9" x 1.1" (L*W)Case Material : AluminumCase Color :Net Weight : 26gPackage Content :1 x Aluminium ResistorNote: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.