Features:1.7 Different Standard Mortises: Uses one template and different combinations of template guide bushings and router bits to make the 7 different standard mortises for loose tenons, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm and 14mm. 2.Accuracy And Precision: Accuracy and precision make for great mortises, offering precisely milled tenon stock in multiple species of wood specifically shaped for exposed joinery. It is machined from stainless steel and anodized aluminum for a lifetime of reliable, rust-free performance. 3.Easy To Use: Just put the right router bit and guide bushing combination in your plunge router, align the index marks in the template with the centerlines of your mortise and rout away. 4.Applicable To Any Angle: The template can be rotated in the sliding base to cut the mortise at any angle relative to your stock. This feature opens up design opportunities in chair and stool construction, as well as louvered doors and screens.5.100% Satisfaction: If you have any question, please feel free to contact us.We will try out best to help youNotice:Please allow 1-3cm deviation due to manual measurementActual color may be slightly different from the image due to different monitor and light effectMaterial: Alloy Steelincludes:1x Loose Tenon Joinery Jig