sentences:  The SJM-75 has a natural finish, as was popular in the mid-1970s.The body is made of alder (ash on natural-finished models) and the neck is maple.Contrary to appearance, and unlike the Jazzmaster upon which it is based, the SX SJM cannot be fitted with a Fender Stratocaster neck as the Strat's fingerboard hangs over the body at the 22nd fret, where the SJM's neck continues for the full length, resulting in a too-short scale and poor intonation when the SJM is fitted with the Stratocaster neck.