No. 811: 1 inch core comes in 36 yd. rolls in 1/2 inch and 3/4 inch widths; 3 inch core comes in 72 yd. rolls in 1/2 inch, 3/4 inch and 1inch widths. Related Products: Scotch® Designer Tape Dispenser C-4210, Scotch® Desk Dispenser C-38 and Scotch® Desk Dispenser C-40.