It's designed for cutting both dry hard and soft wood and also can be used to cut shaving board, wood fible board, joinery panel...Anti-kick back function to better protect blade tip broke during cuttting course so that extend the usage life of saw blade.

Tooth model: AKB
The specification:
Diameter: 110mm-500mm(4"-20")
Body thickness: 1.5-3.0mm
Cutting wide: 1.8-3.2mm
Hole dimater: 20, 20/25.4, 25.4/30mm
Tooth number: 20T, 30T, 40T, 60T, 80T, 100T, 120T