FLUKE's IPHS1 insulated Philips screwdriver #1, 3 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 designed to access hard to reach areas and a handle size of 3.7 x 1.2 in (94 x 30 mm).