The Large Safe-T-Grip Fuse Puller is fully insulated and is perfect for interchanging cartridge type fuses. It has a strong glass filled polypropylene construction that provides high di-electric strength. It is convenient to hold and features notched handles that offers more grip. Fuse puller is suitable for removing fuses of rating 31 to 600A/250V & 31 to 400A/600V. Puller is suitable for removing fuses of diameter ranging from 3/4" - 2-1/2".