Backsaw
From DT Online
Description
Backsaws have a stiffener along the top edge which helps to keep the blade straight and allows for closer control and fine work.
Features and Applications
| Tenon Saw | - the most common backsaw, typically 250mm or 300mm length with 10-14 teeth per inch (TPI) and used extensively for general woodworking and fine cutting of joints such as tenons. | 
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| Dovetail Saw | - similar to a Tenon Saw but shorter at 150mm to 250mm with finer teeth at (14 to 20 TPI) and used for finer work such as cutting Dovetail Joints. | 
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| Gent's Saw | - or Fancy Backsaw - typically 150mm to 200mm long with very fine teeth (16 to 25 TPI) and used for very fine cutting of mouldings and inlays for example. | 
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| Razor Saw | - commonly approximately 125mm to 150mm long interchangeable blades with extremely fine razor sharp teeth (i.e 40 TPI or more) and used for fine work in balsa and plastics - e.g. modelling. | 
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