1/4" Surface Drive x 1/4" Standard Universal Screwdriver Threads are 3/8"-l 6 to

Threads are 3/8"-l 6 to fit the threads of the pulley shaft

Includes 1/4" Universal Joint for added value

Saab: some models

1/2" Drive x 17mm Deep Universal

Sizes include: 1/8" - 1/4"

1/4" Surface Drive x 1/4" Standard Universal Screwdriver Threads are 3/8"-l 6 to1 4" Surface Drive x 1 4" Standard Universal 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%