1、[High Quality Materials] Industrial straight power plug shell material: PA66 plastic, contact material: brass, wear resistant and durable. 2、[Good Resistance] 4 prong plug has good pressure resistance, and the parts and the shell should be able to withstand AC2500V (50HZ‑60HZ). 3、[Basic Parameters] Contact Resistance: R1≤50MΩ; Insulation Resistance: R2≥500MΩ; Plug Life: More Than 20,000 Times. 4、[Heavy Duty Construction] Built to the most demanding standards for performance and reliability, 50A 125V/250V power output. 5、[Suitable Scene] Industrial plugs are suitable for use in various electrical applications, especially replacement plugs for stove, dryer, generator, etc. 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.