TEKTON WRN57071 Flex-Head Ratcheting Combination Wrench Set with Store and Go Keeper, Inch, 1/4-Inch -1-Inch, 13-Piece Box end head pivots 180 degrees to easily get around obstructions 6-point box end snugly fits hex-shaped fastener heads, gripping the flat sides, not corners, to prevent round-off 72-tooth ratchet gear needs only a 5-degree working swing arc Open end is angled 15 degrees so the wrench can be flipped over to engage fasteners twice as often in tight spaces Includes Store-and-Go Keeper with space-saving folding handle and nonslip grippers to lock in wrenches