With the Wilton Cam Action Drill Press, a simple push or pull on the center bar knob sets the jaw in position Features Simple push or pull on the center bar knob sets the jaw in position Base is designed for clear through drilling applications Easy press locking lever cams the jaw ahead 3/32” Unique top locking lever can be raised or lowered to Specifications 4" Jaw Opening Stock Number 13401 Jaw Depth (In.) 1-5/16 Jaw Width (In.) 4 Opening Capacity Max (In.) 4-11/16 Prop 65 Cancer and Reproductive Harm Manual PDF 6" Jaw Opening Stock Number 13402 Jaw Depth (In.) 1-13/16 Jaw Width (In.) 6 Opening Capacity Max (In.) 6-3/16 Prop 65 Cancer and Reproductive Harm Manual PDF 8" Jaw Opening Stock Number 13403 Jaw Depth (In.) 2 Jaw Width (In.) 8 Opening Capacity Max (In.) 8-3/16 Prop 65 Cancer and Reproductive Harm Manual PDF