Unique lightweight aluminium sander head for use with Triangular Sanding Sponge (SPT56), designed for quick and accurate sanding of both the inside and outside of corners simultaneously. Can also be used with Large Square Edge Sanding Spounge (SFM49). Unique triangular design eliminates gouging produced by traditional sanders. Features four claws to securely hold sponge. Unique universal joint design prevents the sponge from flipping and provides full range of motion. Suitable for use with Intex and other common poles. Supplied with a starter Triangular Corner Sanding Sponge.