Turn Bench Cookie™ Plus Work Grippers into shop fixtures. Standard and XL Risers (35142 and 34671 sold separately) screw into Bench Cookie™ Plus discs to elevate them for work with saws and other shop tools that require extra height. Standard Risers achieve a three Bench Cookie™ height and XL Risers achieve both two and three Bench Cookie™ heights. (Each Bench Cookie is 3'' dia. x 1'' thick). All Risers fit 3/4" bench dog holes or 3/4" holes drilled into sawhorses or other fixtures for a secure base while you work.