Designed to be exceptionally light and rigid, this saw frame provides precise control, reduced blade breakage, and very little flex. Best of all, the hardened aluminum frame weighs only 118 grams (4.2 oz.), more than 50 grams lighter than a comparable steel saw frame. It holds standard 5-1/8" jewelers’ saw blades. Its unique tensioning system makes mounting the saw blade simple and easy--without your having to wedge the handle against your chest to accomplish it. The 5" (127mm) throat depth is ideal for fine work on small pieces; working length of the saw blade is 4-1/4". A comfortably curved wood handle and excellent balance and control make this saw an excellent choice.