A neat and useful addition to your Super 7, ML7R (or late ML7 lathes from K11127, April 1973), Fits onto your 7/16 inch diameter saddle handwheel spindle and allows accurate movement of the saddle. One revolution of the dial gives one inch of travel, and has one hundred divisions. Easily resettable to zero from any point on the bed. Ask for details before buying. Post free to UK address. Sent worldwide at cost.