Aluminum shell resistance (golden aluminum shell) series, the shell is made of aluminum alloy; A heat radiating groove on the surface. Small size of ; High temperature resistant; Strong overload capacity with high weather resistance. High , low standard induction resistance, high stability, strong architecture. Good flexibility,multiple choice, good for machinery protection, more convenient for users to install. Scope of Application: aging test supply; inverter; automation equipment; ACOUSTICS; frequency divider and high requirements in bad industrial equipment . Type: 4 Ohm 4R 100W Watt Metal Shell Case Wirewound Resistor Color: Gold Size: 60mm x 21mm x 16mm Package includes: 1X 100W Watt Metal Shell Case Wirewound Resistor Note:Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is 1-3 cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.