Fiberglass Hammer, Forged Steel Head, Straight Handle, 17 in, 24 oz Head, Milled Face no checkout Designed primarily to work in Designed primarily to work in conjunction with the Tweco Roto Ground device May also be used for other high amperage grounding applications Clamp is quickly attached or moved from one rotating weldment or fixture to the other without removing the Roto Ground from it Saves welding downtime Safety clip included Supplied with rubber washer (AWR4) Brass (global investment cast) or iron construction Pressure rating of 150 psi at ambient temperature 70° F contoured for comfort hollow core fiberglass handle provides better balance and more effective shock absorption than typical solid fiberglass handles Head "Sure Lock®" wedged and epoxy sealed Slip resistant grip