This set of replacement brushes fit the Crain 575 Multi-Undercut Saw

They have up to a 14" span

The guide leg is adjustable in relation to the needle to compensate for various material thicknesses and is held in place by a knurled steel fastener

nesting design with double button clip lets you securely connect multiple handles and attach to compatible tilt

Plastic Inside Cove Step Tool 1/2" Radius with Wood Handle – Box of 2 Clevis to Female Threaded Handle Adapter This set of replacement brushesSold as a box of 2. The PL656T plastic inside cove step tool has a 1 2" radius tapered plastic blade with a wood handle for pool plaster, decorative concrete, and step finishing work. The plastic blade is used on white pool plaster and other light colored finishes where contractors want to avoid black marks or blackening from standard steel tools, while the tapered edge helps form a smooth inside cove on pool steps and corners. Dimensions include a 6"