Comm Tool XL for T-jets & AW Armatures All measurements are accurately taken

All measurements are accurately taken in 1/10 of a gram increment

Brand new electronics for better accuracy

You will have a new way to know if your car slowed down because of the brush tension or the pickup shoe spring force

traction and the side facing the motor

Meaning that if both output leads were to touch

Comm Tool XL for T-jets & AW Armatures All measurements are accurately takenThe New VRP Commutator XL is 40% larger than the original comm tool for a better grip when polishing the commutator. This Comm Tool works for both T Jet and AW Armatures. The kit comes with 12 disks 6 (#400) for cutting, and 6 (#1600) for polishing. Each disk can be mounted on the cutting tools by removing the paper covering the double sided tape beneath.