Check the listing for details. Mountain EX-PFFGBXZ16181 13x15mm Double Box Universal Spline Ratcheting Wrench. Condition: New. Listed at 52.43 USD. The Mountain MTNRM1315 is the 13mm x 15mm Metric Double Box Universal Spline Reversible Ratcheting Wrench that comes also in the 5 Piece Set (MTNRM6). This premium quality wrench comes with a patented 90 tooth design. Each wrench provides an extra long and flexible reach for hard to get to fasteners with a built in reverse mechanism. The 180° rotating head on both ends of the wrench allows the ratchet wrench to flexibly bypass obstacles for easy use at any angle. Raised box end gear provides more surface contact and access to recessed fasteners. The Mountain MTNRM1315 is perfect and a MUST have in your shop or garage. Backed by a quality warranty program you can make this purchase with peace of mind knowing you are getting the best wrench in the industry.