Jet 716250 JDP-15 Floor Drill Press Spindle travels a full 3-1/8 with one revolution of the handle Large 12-1/2 x 17" precision ground work table features twin t-slot grooves and 4 table slots to accommodate any project" One-handed belt tensioning allows for rapid speed changes Power switch features a safety key and large, paddle-style off button Integrated depth stop makes repetitive drilling quick and easy