【𝗟𝗼𝗻𝗴𝗲𝘃𝗶𝘁𝘆 𝗧𝗲𝗲𝘁𝗵】More than 8% Co in the teeth can significantly improve the red hardness of the product. After the product is cut repeatedly for many times, the hardness and fatigue attenuation of the product can not be greatly affected, thereby greatly increasing the product life span. 【𝗖𝘂𝘁𝘁𝗶𝗻𝗴 𝗖𝗮𝗽𝗮𝗰𝗶𝘁𝘆】6TPI with large chip remove gullet for fast, efficient, aggressive cuts in nail-embedded wood, engineered lumber, chipboard and glass fiber-reinforced plastics. 【𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀】Ultra-hardened cutting edge provides utmost durability and longevity ideal for wood and aluminum window frame demolition and wooden construction cutting. 【𝗦𝗹𝗶𝗺 𝗕𝗼𝗱𝘆】Slim blade body and tip design make this blade easy into any corner for cutting works. 【𝗨𝗻𝗶𝘃𝗲𝗿𝘀𝗮𝗹 𝘀𝗵𝗮𝗻𝗸】1/2 inch shank fits all Sawzall tools on the market . ODACHI Reciprocating Saw Blade Bi-Metal M42 MoreThan 8% Cobalt Sabre Saw Blades for Wood Demolition 6-Inch 6TPI 5-Pack [Longevity Teeth] More than 8% Co in the teeth can significantly improve the red hardness of the product. After the product is cut repeatedly for many times, the hardness and fatigue attenuation of the product can not be greatly affected, thereby greatly increasing the product life span 【Cutting Capacity】 6TPI with large chip remove gullet for fast, efficient, aggressive cuts in nail-embedded wood, engineered lumber, chipboard and glass fiber-reinforced plastics < 100mm. 【Applications】 Ultra-hardened cutting edge provides utmost durability and longevity ideal for wood and aluminum window frame demolition and wooden construction cutting. 【Slim Body】 Slim blade body and tip design make this blade easy into any corner for cutting works. 【Universal shank】 1/2 inch shank fits all Sawzall tools on the market .