Product Description "When you’re working with wood, you need tools that will cut the wood smoothly and easily. That’s why you need the GreatNeck BB21 21” Bow Saw in your tool collection. To quickly find it, this saw features ID stamping to show size and brand. It has a depth of 6-1/4-inch cutting and is made from chrome alloy extra hard steel blades for longevity. The action blade tightener release for easy blade changes keeps your saw fresh. The chamfered drive allows for quick attachment, and the 2-piece design adds strength. GreatNeck has been creating quality hand tools for over a century. This 21-inch bow saw is built to last. However, if something happens during normal everyday use, there’s no need to stress about it. This product is backed up by the reliable GreatNeck Limited Lifetime warranty. However, be sure to read the product manual for the complete warranty conditions and restrictions. SPECIFICATIONS - S-2 steel material - Depth of cut: 6-1/4 Inch - Action blade tightener release for easy blade changes " The BB21 by Great Neck is 21" bow saw. The saw is made of chrome alloy and has extra hard steel bow saw blades. The tubular steel frames have action blade tightener release. From the Manufacturer The BB21 by Great Neck is 21" bow saw. The saw is made of chrome alloy and has extra hard steel bow saw blades. The tubular steel frames have action blade tightener release.