The 3 inch scroll saw blade needle end blades are made from Metal for greater strength and longer life. Our saw blades are suitable for precise sawing of hard/, plastics, copper and other soft metals, with pins spaced 2-3/4 inches apart. This scroll saw blade is for Moto-Saw, for Moto-Shop (all models including Models 57, 571, 571-5, 572, 57-2, 576 and 1571), for 8029 8030, for 572.247202 15inch Hobby, for 15inch Hobby, and other scroll saws that use pin end blades. Our product is suitable for machines requiring 3-inch pin-end saw blades. It is easy to use and install, to use. Our saw blade replacement set is made ofMetal material, which can be used for cutting materials. It is easy to use and replace. Pin spacing is 2-3/4 inches. Good Cutting Result: This 18TPI scroll saw blade replacement kit can be used for good cutting results. Suitable for Different Material: Our scroll saw blade is ideal for cutting different material, such as hardwood, cork, plastic, copper and more. Product Name: Scroll Saw Blade Size: 3 inches Specification: 40Packs-15TPI, 24TPI (20Pcs 15TPI & 20Pcs 24TPI). Colour:As shown Material:Metal Package Contents: 1 set x scroll saw blades Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.