Tapered reamers for proper fitting of ball joints to spindles, tie rod ends to spindles, etc. These have 1/2″ shank. The 1-1/2″ per foot reamer, also known as a 7° tapered reamer, works with Speedway ball joints 917-20031 K6024, 917-20032 K6136, and 910-34323 K772.

Measures a little less than 1/2″ at the small end and 1″ at the big end.