The Stanley FatMax® Coping Saw has a hardened tempered blade for long life. Its steel back prevents bending providing strong, true, straight cuts. The frame depth is greater than most coping saws. Supplied complete with 3 spare blades. Depth of Bow: 170mm (6.3/4in).Additional Information:• Saw Type: Saw• Length (mm): 165• TPI: 14