1/4" Surface Drive x 1/4" Standard Informational Reference three abrasives and flexible driver

three abrasives and flexible driver give good stability and speed with this Disk Brake Hone 3 leg for 1 1/2" to 3 1/8" cylinders

Balanced for continued use without fatigue

Square ends of stones hone to the end in step-cut and blind-end cylinders

Color coding for easy identification and Laser etched size markings are easy to read

3/8" Drive x 3/16" Hex Driver 4" Length

1/4" Surface Drive x 1/4" Standard Informational Reference three abrasives and flexible driver1 4" Surface Drive x 1 4" Standard Features and Benefits Made of high quality steel (chrome molybdenum); thorough and exact heat treatment insures the correct balance of strength and durability Engineered specifically for use with impact tools, using the most up to date industrial specifications Made to transfer the pressure from the thinnest part of the socket wall toward the thicker section, resulting in increased strength Allows up to 20% more