Description:

Expandable arbors for large and small lathes, milling machines, grinding machines, chucks, collets and fixtures. By placing the arbor in the machine and unfolding it, it can be machined to the exact diameter and length needed for the job. Expansion mandrel set is made of hard alloy, sturdy and durable. Size range: 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1-1/4 in. With hexagonal alloy wrench and wooden stand.