1/2" x 60 yds. 3M - 231 Masking Tape. Premium high performance crepe masking tape designed specifically for the professional painter. Rubber adhesive sticks easily and allows for fast application. Good holding power that resists lifting or curling. Adhesion to steel 38 oz. per inch of width. Tensile strength 28 lbs. per inch of width. Elongation at break 10%.Temperature range 300 F for up to 30 minutes. Case of 72.SHPT933231. T933231. 3m 3m 231 Masking Tape.