 All HM strat US made models had a scale length of and a radius of .How to distinguish between Japanese and US assembled Fender HM Strats - 
The USA model features a DiMarzio Super 3 humbucker (hex poles) with American Standard single coils in the middle and neck, which are easily distinguishable by the red/white wires (middle) and blue/white wires (neck) that are visible while looking straight at the pickup.The Japanese models feature the more generic black/white wires on the single coils as well as a DiMarzio Super Distortion (slotted pole/flat pole combination).