Makita is the leading manufacturer of professional power tools on the market. The B-65458 11 Piece Pass Thru Wrench Set contains 10 pass thru sockets: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm and 19mm; also contains a 200mm pass thru adjustable wrench. The sockets are suitable to work on 6 point, 12 point, square, E-T, spline and partially rounded hex fasteners. The B-65458 pass thru socket/wrench system works over long threaded rod is equipped with angled tooth pattern on the pipe wrench jaw side to provide extra gripping force, hex jaw design to reduce slippage and grips the bolt tightly and has laser etched scale (SAE and mm) for quick and easy adjustments to fastener size.