Fowler FOW72-010-777 Drum and Rotor Measuring Kit

Add-on Kit Turns Your Electronic Or Dial Caliper Into A Precision Brake & Drum Measuring Tool. (does Not Include Caliper). The Kit Will Measure Brake Drums Up To 12 Inch In Diameter. Includes: (1) Set Of Clamps; (4) Sets Of Set Screws; (1) Allen Wrench; (1) Set Of 3-3/4 Inch Contact Points; (1) Set Of 3/4 Inch Cone(pointed) Contact Points And (1) Set Of 3/4 Inch Flat Contact Points. Comes In A Plastic Cylindrical Tube.