Combination Chuck is 2 chucks in 1.
Mount any piece with a 1-3/8"
hole by inserting the expansion chuck and twist it - expanding the chuck up to
1/8" inch for a firm grip inside.
Allows work to be removed and remounted
with no loss of centricity.
Also converts to a Screw Chuck - Simply remove the Collet
jaws and screw in the supplied screw center.
part number below.