Machinist Screw Jack Set

• Set consists of 2 machinists jacks supplied in a shop-hardened case.
• Individual jacks consist of a heavy, steel cast base with adjustable steel screw and tilting swivel head, with a lock nut for permanent positioning.
• 1-1/2" jack base for added stability.
• Range: Min: 3"; Max: 4"
• Lifting capacity: 1000 lbs.