BAL R.V. Products Group 24002D  Deluxe Leveling Scissor Jack - 24-Inch (With Set of (2) 20037 crank handle with swivel head) Patented roller-bearing assembly for smooth and easy screw operation Tooth gear design of the scissor arms ensures straight line vertical extension and retraction Double lead, acme thread drive screw is designed so the jack raises quickly and the crank handle turns easily When placed in the handle receiver, the crank handle can be easily rotated, even when tilted Rust-inhibitive E-coating on the jack and shiny zinc coating on the crank handle ensure long life Includes Set of 2 with 20037 crank handle with swivel head. Made in U.S.A.