When you need to replace your Mini Tube Cutter parts consider using the Klein® Tools Replacement Parts for Mini Tube Cutter. This product includes 3 general purpose wheels and 1 general purpose screw. These replacement parts are designed for the Mini Tube Cutter model Cat No. 88977. The Mini Tube Cutter is designed to quickly and smoothly cut 1/8 in. and 5/8 in. O.D. tubing.