Cavity Wax Plus Applicator Wand Kit, 12 Pieces by 3M®. Allows body shop technicians to apply 3M™ Cavity Wax Plus in hard-to-reach places such as internal door skins and frame rails. The kit includes 24" and 34" wands with built-in 360-degree spray nozzles, and an 8" wand for flooding seams. Cavity wax is part of the internal corrosion protection recommended by all OEMs during automotive collision repair.