Used to guide electrical wire through conduits and walls. 50in. x 1/8in. tape winds directly into housing; no need to snap retaining tapes and no sticky residue. Hand trigger helps wind tape tightly as it automatically wipes off excess lubricant. Finger grips on reel comfortably fit hand. Shatterproof. 4 viewing ports show how much tape is left. 500-lb. maximum strength. U.S.A.