Delta 34-183 Tenoning Jig Simplifies cutting tenons and other wood joints on your table saw Full grip-feed handles for positive operating control and user safety Adjustable 90° positive stop for accurate repetitive cuts 90° to 45° back stop with adjustable 90° positive stop for secure support of angular stock Multi-position control levers for convenient easy adjustment Strong locking leverage Extra-large crank handle for fast easy clamping of work Built-in provisions for adjustment and alignment to maintain cutting accuracy Handles stock up to 3-1/4" thick Fits left and right-tilting table saws with 3/8" x 3/4" miter gage grooves