New and improved design,Every other tooth is thinner for faster cuts,New heat vent/expansion slot design reduces vibration for longer life and straighter cuts,Construction grade carbide teeth for longer life,Reinforced shoulder for added durability,Fully hardened plate runs longer. This blue coating 210mm 24t carbide blade features aggressive tooth geometry and ultra thin kerfs allow the blade to cut through a variety of materials faster while the heat treatment gives the blade longer life than traditional carbide blades. This 24-tooth blade is ideal for ripping and crosscutting in dimensional lumber. Product Name:210mm 24t rip cut saw blade Cutting application:timber,soft wood,hard wood Diameter:210mm Teeth number:24t Arbor size:25mm Blade thickness:1.6mm Plate material:50C Body tech:punch Cutting kerf:2.4mm Carbide tip code:C3 Tooth Geometry:ATB Hook angle:15 Maximum speed:7000rpm./min Quality level:Standard Quality