Electrode Holder, 250 A to 300 A, 2 0 Cable, 3 16 in Electrode Cap, 8 1 2 in L, AF 25 no checkout 7 ft blade standout Mylar® polyester 7 ft blade standout Mylar® polyester film extends life of entire blade Chrome high impact ABS case is job site tough Secure blade lock won't creep during measurements Corrosion resistant Tru zero end hook for accurate measurements A positive cam action locking design which optimizes interface between connector halves Thermoplastic Elastomer covers having a V rating of 0 Heat and oil resistant covers Furnished with zinc plated cover and ball point screws Upper and lower tongs are made from a high copper alloy for maximum conductivity and strength Top and bottom tip insulators are a molded fiberglass compound and will withstand intensive heat impact Handles are molded from a durable glass filled nylon material with a good heat and impact resistance Oval point screw cable connection is standard on all models