Lufkin FE100D Hi-Viz Linear Open Reel Fiberglass Engineers Tape - 3/4-inch X 100-foot The yellow clad blade has markings on one side graduated feet to 1/10ths and 1/100ths, numbered with feet in red and 1/10ths of feet in black Lightweight open reel is easy to handle and rewind. Ultra flat 1/2" fiberglass blade resists kinking when rewinding Positioning spike at tip shows measurement start point Two position end hook for inside/outside measurements. End hook teeth bite into wood