NTN C1 BALL SCREW CNC MILLING OVERALL LENGTH 21 1/2 5 THREADS PER INCH. Condition is Used. Shipped with USPS First Class Package. ******** PLEASE CONTACT US BEFORE PURCHASING SO THAT WE MAY CHECK ON AVAILABILITY OF THIS ITEM. THANK YOU ******** ******** PLEASE CONTACT US FOR SHIPPING QUOTES GOOGLE US FOR MORE INFO **********