We only import and stock the industry standard Danish mechanisms. We can supply in shaft sizes of 5" (125mm), 6" ( 152mm), 7" (179mm), 8" (203mm), 10" (254mm), 12" (305mm), 15" (381mm) or 17" (432mm). All sizes are supplied with a Silver knob. See also our equivalent Pepper Mill Kits in same range of sizes with Black knobs.