Surface Drive Plus on open end provides stronger grip, reduces fastener rounding, and delivers up to 25ore torque. Long pattern length and offset box end for increased accessibility. Size stamped on both sides and head for easy identification. Packaged in a blow-molded tray for organization. The 24-Piece Long Pattern Combination SAE/Metric Non-Ratcheting Wrench Set includes 1/2 in. Wrenches and 8mm through 22mm wrenches. The longer length of these wrenches gives them more leverage and strength to grip onto fasteners, while the Surface Drive Plus feature prevents fastener rounding while increasing torque up to 25 percent. Assembled Product Dimensions (L x W x H). 24.00 x 14.00 x 6.00 Inches.