The Klein Tools 4-in-1 Ratcheting Wrench Set is a versatile box wrench set featuring two 12-point socket wrenches with eight SAE hex sizes, including 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, and 3/4-Inch. Features 90-tooth ratchet mechanism minimizing arc swing for access in tight spaces and a pass-through design accommodates longer threads. The reversing switches enable quick direction changes and ergonomic handles provide optimized comfort during extended use or repetitive tasks.Features Ergonomic I-beam handle design with recessed comfort areas provide optimized comfort during extended use or repetitive tasks Reversing switch on each end enables quick direction changes without removing wrench from fastener Reverse Ratcheting, Color-Coded Pass-through design accommodates longer threaded rods and bolts for enhanced versatility in various applications Eight hex sizes in two wrenches with sizes 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, and 3/4-Inch 90-tooth ratchet mechanism minimizes arc swing for maximum access in tight spaces Color-coded size markings provide high visibility for quick size identification Warnings Do NOT extend handle length. Always wear approved eye protection. Never use on or near live electrical circuits. Do NOT push or hammer wrench. Number of Teeth: 90 Swing Arc: 4 Size: 1/4 in; 5/16 in; 3/8 in; 7/16 in; 1/2 in; 9/16 in; 5/8 in; 3/4 in Overall Length: 9.35 in (23.7 cm) Overall Width: 1.45 in (3.7 cm) Overall Height: 0.81 in (2.1 cm) Weight: 0.9900 lbs Height: 0.77 in Width: 5.41 in Depth: 12.1 in Number of Points: 12 End Type: Double-Ended Ratcheting Head Type: Box End Material: Steel Finish: Black Phosphate Pass-Through Design: Yes Reversing Switch: Yes Color Coding: Yes DownloadsSpec Sheet