Cutting

As an Amazon Associate I earn from qualifying purchases. Product links open an Amazon.ca search and carry our affiliate tag - it costs you nothing extra, and we get nothing unless you buy.
A thin, narrow blade held under tension in a deep U-shaped frame with a handle. The blade turns in the frame to follow a curve, cutting the profile on the back of trim so an inside corner closes tight.
Buying tip
Cuts the profile on inside corners of trim so the joint closes tight when the framing moves.