ToolUSA 5-Inch Adjustable Jeweler's Saw Frame with Black Wooden Handle: TJ-93895 This jeweler's saw frame is a 5 inch size - that is the distance between blade holders and frame Blades (not included) are held in place by a combination of wing nuts and small metal plates Nickle plated satin smooth finish - this saw has a 5 inch throat to allow freedom of movement This saw frame will take a variety of saw lengths and sizes up to 7 inches The 4 inch wooden handle is smooth and ergonomically shaped to hold comfortably