Overall dimensions of a backsaw blade. (cut down version). All dimensions are to be inches. 1. Blade Shape Rectangular or Tapered Blade Length Blade Depth at Heel and Depth at Toe Blade Thickness, multiple measurements if tapered Tooth Pitch PPI at Heel and PPI at Toe Tooth Profile Rip or Xcut Tooth Set Amount (measure thickness at teeth and subtract blade thickness) 2. Back Material (Brass/Steel) Back Thickness. 3. Handle Style Open Closed Dolphin/Fishtail London Material 4. Saw Screws/Nuts Rivets/Split/Domed Material Steel/Brass Medallion Edit History: Changed to PPI rather than TPI, for consistency. : Added Handles and Screws