Scotch Dispenser Weight Kit Attachment PN6915 is an optional add-on to various 3M Scotch brand tape dispensers. It can be added to the Mainline Series Dispenser P52, Bag Sealing Dispenser P400, Label Protection Dispenser M707 and the Pouch Tape Dispenser M727. It attaches easily to help speed up productivity and make for easy tape dispensing.