ATB Tipped ATB (Alternating Top Bevel) offset tooth design, The angle of the tooth scores the surface of the wood in advance of the cut, cleanly cutting the wood fibers before the following teeth remove the chip Application Ideal for: high quality cross and rip cutting in Chipboard, Hard Wood, Plywood, MDF. Electroplate Surface Anti-stick Coating The black color blade body was Electroplate anti-stick Coating, It can reduce the friction coefficient between the saw blade and the wood, making the cutting smoother, less heat, and improving work efficiency.