Fiskars 7029 Bow Saw, 21-Inch
The Fiskars 21-inch bow saw features a lightweight, tubular steel frame, and the hardened steel blades provide a nice, clean cut.  The safety tension lever forms a comfortable grip and also releases the blade when you want to change it.  The Fiskars 21-inch bow saw also features a Lifetime Warranty.  21-inch replacement blades are also available from Amazon.com.