Streamline steel fish tape is wound directly into housing; no need to snap retaining tapes; no sticky residue inside housing. Exclusive hand trigger assembly helps wind tape tightly as it automatically wipes off excess lubricant. Form-fitting finger grips around reel fit the hand comfortable. Shatter-proof reel stands up to on-the-job abuse. 4 viewing ports on reel show how much tape remains, easy dis-assembly for fast replacement of tape. Maximum design strength is 500 lb. 50′ x 1/8′ x .045′ fish tape. 8-1/2′ reel diameter.