Features and Benefits:- 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- 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 fastenersThis K-Tool XD premium quality patented 120 tooth design provides an extra-long and flexible reach for those hard-to-access fasteners. The built-in reverse mechanism makes switching direction easy. Extra-large headpins for increased durability and performance.