FLUKE's ISLS8 insulated slotted screwdriver, 0.25 x 5 in, 1000 V. Designed to provide you with the greatest safety, comfort, quality, and ruggedness when working on energized circuits, this insulated slotted screwdriver features a slim insulated shaft that allows access in hard to reach areas and a handle size of 4.2 x 1.4 in (106 x 36 mm).