RS Pro Clamp-on Bench Tape Dispenser. RS Pro clamp-on bench dispenser designed for use with 25 mm or 50 mm wide adhesive tape. Desk or worktop mountable due to the flattened base design which enables metal C-clamp provided to attach securely dispenser to worktop. Features and Benefits. Accepts 2 x 25 mm or 1 x 50 mm width roll Bench or worktop mountable, no fixing screws required 75 mm core with bench fixing clamp Portable Quick to use. Application Information. Ideal for packaging supplies and craftwork applications