Klein Tools' Slim-Profile Mini Ratchet Set is the perfect answer for fastening in small, tight spaces. The 72-tooth, low-profile gear head only needs 5-Degrees of sweep allowing professionals to fasten in spots other drivers just won't fit. Handle is designed with a finger loop for control and convenience, and is made of high-strength Chromium-Vanadium steel for increased torque and long tool life. The 1/4-Inch dual-drive head has integrated 5/16 and 1/4-Inch nut drivers. This set also comes with a versatile set of bits including #1 and #2 Phillips driver bits, 3/16 and 1/4-Inch slotted driver bits, and an 1/4-Inch drive socket adapter. So, there's no need to go back to the toolbox. Weight 2.5 oz (71 g) Drive Size 1/4" Dual-DriveOverall Width 1.17" (3 cm) Set / Individual Set: 1/4" and 5/16" Nut Driver; 1/4" Socket Adapter; #1 and #2 Phillips; 3/16" and 1/4" Slotted Drive Bits Application Ratcheting Driver for Tight Spaces Range €” Head Type Hex: 1/4" and 5/16" Quick Release €” Material Steel Overall Height 0.79" (2 cm) Type Mini Ratcheting Special Features Slim Profile Overall Length 4.33" (11 cm) Standard ASME B107-210