This professional quality jewellers saw frame allows you to work with all types of jewellers saw blades including flat and spiral, with thumbscrews that firmly secure the blades into the frame-for jewellery making, woodworking, crafts, hobbies, etc.Saw Frame Adjustable PS-20 Aven Brand.Note - PLEASE CLEAN AND APPLY OIL BEFORE USE. Note - Remember to wear eye protection. Note - Photographs are for illustration purpose only. Actual item may slightly differ from the pictures shown.Scorpion is committed to providing the customer with the best source for value possible on the market. You will enjoy the quality, function and usefulness of our products   Can be used with all types of jewellers saw blades including flat and spiral