Add to Cart JACOBS CHUCK Jacobs Chuck Jaw and Nut Units, Model No. 36 (1 EA / EA) MSRP: Now: $134.30 Was: Jaws center-ground for absolute straightness and alignmentTreated to ensure thread life and high gripping surface hardnessAll Super Chuck Ball Bearing Chuck service kits include jaws, nut, caged... 403-7425 Add to Cart