What blades do the BDPHS1800, BDPHS1400, SC500, and PHS550B use?

All of these saws are Navigator hand saws and the all use the following 3 blades:
 
74-591 - Large Wood Cutting Blade 

74-592 - Curved Blade 

74-593  -  Metal Cutting Blade

These blades can be found in the 3 blade pack 74-598

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