Long flex-head ratcheting box end wrenches: 8 mm x 10 mm, 9 mm x 11 mm, 12 mm x 14 mm, 13 mm x 15 mm, 16 mm x 18 mm, 17 mm x 19 mm; Wrench holder. Extra long beam offers extreme reach and loads of leverage. Box end heads pivot 180 degrees to easily get around obstructions. 6-point openings snugly fit hex-shaped fastener heads, gripping the flat sides, not corners, to prevent round-off. 72-tooth ratchet gears need only a 5-degree working swing arc.