External (compression) chucking capacity: 4-1/4" to 5-3/4"
Internal (expansion) chucking capacity: 4-7/8" to 6-1/2"
Optional accessory for Oneway Stronghold Chuck
Made in Canada
#4 Jaws for Oneway's Stronghold Chuck. They have the mass and size necessary to turn large bowls and vases.
Jaws are profile shaped for maximum gripping power.