The 3-inch scroll saw blade with needle end is made from metal for greater strength and longer life. These saw blades are suitable for precise cutting of hard and soft wood, plastics, copper, and other soft metals. Blades feature pin spacing of 2-3/4 inches. Compatible with Moto-Saw, Moto-Shop (all models including 57, 571, 571-5, 572, 57-2, 576, and 1571), 8029, 8030, 572.247202 15-inch Hobby, 15-inch Hobby, and other scroll saws that use pin end blades. Designed for machines requiring 3-inch pin-end blades. Easy to install and durable for extended use. Made of metal for reliable performance across various materials. Pin spacing is 2-3/4 inches. Good Cutting Results: The 18TPI scroll saw blade provides clean and accurate cuts. Suitable for a variety of materials including hardwood, cork, plastic, and copper. Product Name: Scroll Saw Blade Size: 3 inches Specification: 54-Pack – 15TPI, 18TPI, 24TPI (18 pieces each) Color: As shown Material: Metal Package Contents: 1 set x Scroll Saw Blades Note: Light reflection and display differences may cause slight color variation between the image and the actual item. Measurement may vary by +/- 1-3 cm.