Also if they SD pickups, unscrew the pickup ring from the guitar, flip the pickup over and look at the model number, if it starts with a TB its a trembucker, if it starts with SH its standard width.
Dimarzio model numbers will have an F in the model number at the end if its trem spaced or as they call it F spaced. Such as DP224FBK is the F spaced AT1, DP224BK is the standard spaced one.