These scroll saw blades are made of high-quality SK5 carbon steel, with high hardness and wear resistant, making them highly durable, precise cutting, rugged, and long-lasting. Scroll saw blades easy installation and easy handling, easy to use and highly durable. They can be used for precise sawing of hard\/soft woods, plastic, copper and other soft metals. The precise polishing of saw teeth is designed to the cutting process and improve cutting efficiency. Various tooth shapes are designed for fast or fine cutting, and different sizes of saw blades are suitable for cutting different materials. These scroll saw blades are suitable for machines that require 5 inches pin end blades. They are perfectly compatible with 3921 3922 3923, compatible with , compatible with , compatible with , compatible with , compatible with Sears , compatible with , compatible with SC165VS and all 15in and 16in. Superior Performance: Coping saw blades are made of SK5 carbon steel, anti-rust, high hardness, not easy to break, sharp, strong and durable. They can provide precise and clean cuts. Multiple Uses: Various tooth for fast or fine cutting, and different sizes of jigsaw blades have different . You can choose the right saw blade according to the material you are cutting or the of your work. Adequate Quantity: The package includes 48 pcs scroll saw blade with different TPI and . Sufficient quantity to meet your and different cutting demands. Parts List: 12 x 10 TPI Saw Blades 12 x 15 TPI Saw Blades 12 x 18 TPI Saw Blades 12 x 24 TPI Saw Blades Product Name: Scroll Saw Blades Size: 5 inches Quantity: 12 pcs 10 TPI, 12 pcs 15 TPI, 12 pcs 18 TPI, 12 pcs 24 TPI (48pcs in total) Colour:black Material:steel Package Contents: 1 set x Scroll Saw Blade Set 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.