Sizes 21, 22, 24, 25. K Tool International MSTDBM4 KTIXDDBM42PC METRIC DOUBLE BOX UNIV SPLINE 90 TOOTH REV RA. This K-Tool XD product comes with a patented 90 tooth design which is excellent for tight working space. Extra long, flexible and reversible making it the most versatile set of ratcheting wrenches on the market. The 180° rotating head on both ends of the wrench allows the ratchet wrench flexibility to bypass obstacles for easy use at any angle. Innovative internal gear mechanism and spherical profile (Spline Plus) makes this one of the best performing ratcheting wrenches available. Raised box end gear provides more surface contact and access to recessed fasteners. This premium quality, patented 90 tooth design provides an extra long and flexible reach for hard to access fasteners. Built in reverse mechanism. Extra large head pins for increased durability and performance. Topper set for those who already own the KTIDBM10. This item is in the category “Business & Industrial\Building Materials & Supplies\Other Building Materials”. The seller is “zandc99″ and is located in this country: US. This item can be shipped to United States.