The DW788 20 in variable-speed scroll saw operates quietly and smoothly for accuracy. The tool-free blade clamp allows for quick and easy blade changes. Convenient placement on the liftable arm of the dust blower. power switch and saw adjustments on the front of the upper arm provide for easy adjustment. Oversized. cast-iron table provides excellent material support and has the ability to bevel to both the left and right. Double parallel-link arm design dramatically reduces vibration and noise for extremely accurate cuts. Double parallel-link arm design dramatically reduces vibration and noise for extremely accurate cuts. On-off switch. electronic variable speed. flexible dust blower and blade tensioning lever are all located on the front upper arm. Arm design keeps the blade perpendicular to the work. dramatically reducing over or under cutting. Tool-free blade clamps allow blade changes in seconds. Arm lifts so that blade can be easily threaded through the material for inside cuts. Oversized. cast-iron table provides excellent material support and bevels 45 deg.Arm design pivots from the back of the saw to the front. shortening the arm movement for smoother. quieter operationArm lifts so blade can be easily threaded through the material for inside cutsDouble parallel-link arm design dramatically reduces vibration and noise. for extremely accurate cutsExclusive tool-free blade clamps allow blade changes in secondsOn-off switch. electronic variable speed. flexible dust blower and blade-tensioning lever are all located on the front upper arm for added convenienceOversized. cast-iron table provides excellent material support and bevels 45 left and right