KLEIN 661 - #1 Square-Recess Tip Screwdriver, 4-Inch Shank 9 Inch Blade Available with or without an

Available with or without an exhalation valve

Designed to be compatible with all major oscillating tool brands

Magnetic hook for metal studs

Cast-iron miter gauge

you’ll never have to worry about struggling with large boards or sheets to add pocket holes in the right places

KLEIN 661 - #1 Square-Recess Tip Screwdriver, 4-Inch Shank 9 Inch Blade Available with or without anThe Klein Tools 661 is a professional grade square recess tip screwdriver engineered for the rigorous demands of electrical and industrial applications. Designed specifically for working on combination head receptacles, switch plates, and panel screws, this tool provides the precision and durability that tradespeople rely on. Featuring a heavy duty, heat treated steel shaft, it is built to withstand high torque without compromising tool integrity.