Width and West of tapes can load on: The width of the tapes should not exceed 15inch. And the 1inch and 3inch core have the same west of 16inch.Safety Side Cutter Blade Design: The on/off switch is built-in with child-proof feature ,make put in "off" if you finished your job. And so you have to exert some force to open it with "on".Widely Used: Commonly used tape,semiconductor field of tape,heat resistant tap and polyimide film with thickness .Colour: redMaterial:plasticPackage Contents:1 x Tape DispenserOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.