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Four machinist screw jacks adjustable from 3" minimum to 4" maximum height
For use anywhere leveling is needed: drill presses, milling machines, shapers, and other equipment
Lifting capacity is approximately 1,000 lbs
Includes convenient fitted case for storage and organization
Jack bases are cast iron; screws are alloy steel
SPI 91-339-2 Machinist's Jack Set with 4 Jacks. Jack bases are cast iron; screws are alloy steel. Jacks are Adjustable from 3" minimum to 4" maximum height. For use anywhere leveling is needed, including drill presses, milling machines, shapers, and other equipment. Lifting capacity is approximately 1,000 lbs. Includes fitted case. For over 60 years, SPI has introduced innovative products to the metalworking and laboratory industries. SPI measuring instruments are durable, precise, and reliable — all backed by an industry-leading 2-year warranty.