- Type JF 3D 3 Jaw 2-3/4" Dia. with Hardened, Reversable Jaws
Outside diameter over knurled clamping ring 2-27/32" Height of chuck 5/8" Jaw height 7/16" Jaw width 25/64" Center hole 5/16" Bolt circle 43/64" I.D. Clamping capacity 41/64" - 2-3/8" O.D. Clamping capacity 0 - 2-7/8" Weight 21 lb.