Features: 1Against Electric Shock Design: The wiring is designed with anti shock design to increase the edge of the wiring port to prevent fingers from touching the conductive screws and prevent the danger of electric shock. 2Good Contact: The new fastening rings design strengthens the toughness of the tool holder and it is still in good contact with the blade after several times of opening and closing. 3Transparent Shell: 100A safety knife switch adopts a highly transparent casing the working status is clearly visible and the inner pure copper can be displayed. 4Easy to Use: Suitable for industrial enterprises and household appliances converting between power systems and self generating circuits large diameter tunnel type wiring holes easy wiring. 5Wide Applications: Transparent knife switches can be used for fail safe circuit breakers standby generator switches and power switches. Specification: Item Type: DoublePoleKnifeSwitchProduct Material: ResinABSCopperNumber of Poles: 2PMaximum Rated Current: 100AScope of Application: Fail Safe Circuit Breakers Backup Generator Switches Power Switches.Weight: Approx. 572g / 20.2oz Package List: 1 xDoublePoleKnifeSwitch2 x Screws