TEKTON Combination Wrench Set with Roll-up Storage Pouch, Inch, 1/4-Inch - 7/8-Inch, 13-Piece | WRN03291 Open end is angled 15 degrees so the wrench can be flipped over to engage fasteners twice as often in tight spaces 12-point box end doubles the access angles of a 6-point and is offset 15 degrees to create clearance for fingers Box end opening is designed to grip flat sides of fastener heads, not corners, to prevent round-off Made of premium chrome vanadium steel with a mirror chrome finish Includes roll-up storage pouch with tailored cover that keeps wrenches in place so they can't slide out