Ratchet system lets you tear one sheet with one hand and stops the roll from spinning. Strong magnets hold the holder flat or upright on any steel surface. Stick the base to metal or use the included adhesive pad-no tools, no drilling. Use it indoors or out: fridge, grill, Rv, garage, bath, oven, wall. 12.6-inch arm fits standard, large, and jumbo Us rolls. Length: 13.00 inch. Width: 4.00 inch. Height: 0.04 inch. Weight: 0.88 pounds.