The backer pad gives our non-corrosive pool plaster diamond disc " pool plaster sanding disc" a 100% contact with flat pool plaster surfaces

Straight cuts tiles 27-3/4" x 27-3/4" and diagonal cuts tile 19-1/2" x 19-1/2"

insert one of the pointed edges into a relief in a shim and lift the blade carrier to separate the shims

Die-cast aluminum construction

Deluxe Wall Trimmer

Pool Plaster Disc 120 Grit – Non-Corrosive Surface Refinishing Disc ships_ltl The backer pad gives ourDry Use Recommended simple setup with any 7 polisher (wet use may extend life but requires a water fed tool) 120 Grit Fine Cut final smoothing for a comfortable, swim ready finish Non Corrosive Matrix wont rust; safe for saltwater pools Surface Types: All plaster types (marble, quartz (Diamond Brite), pebble, polished finishes) Max Speed: 3,000 RPM with variable speed polisher sander Specifications Disc Diameter 7 (hook & loop) Backer Pad 7 Hook &