4 Pack Combo 4-1/2 Inch Compact Circular Saw Blade Set With 3/8" Arbor, 24T Tct Why pay $10-$20 per blade? JANCHI saw blades match exceed name-brand quality at a fraction of the price. 4 Pack Combo 4-1/2 Inch Compact Circular Saw Blade Set with 3/8" Arbor.2 pack 24T TCT blade for wood, 1 pack 60T HSS blade for sheet metal, 1pack 60# diamond disc for tile, meet your everyday needs. What You Get: Why pay $10-$20 per blade? JANCHI saw blades match exceed name-brand quality at a fraction of the price. 4 Pack Combo 4-1/2 Inch Compact Circular Saw Blade Set with 3/8" Arbor. 2 pack 24T TCT blade for wood, 1 pack 60T HSS blade for sheet metal, 1pack 60# diamond disc for tile, meet your everyday needs. 24T TCT BLADE: Manufactured with durable premium alloy steel material, with hardened,fully polished and chrome plated surface, sharper construction-grade tungsten carbide teeth, for long-lasting cuts in wood, plastic, and composite materials. 60# DIAMOND DISC: Manufactured with high quality and durable heat-treated manganese steel and #60 diamond grit can provide longer cutting life.The segmented design improves airflow, helps the saw blade to dissipate heat, and remove cutting dust, provides a smooth, fast, clean and efficient cutting, Max 13,000 RPM, ideal for cutting ceramic tile, stone tile, backer board and cement. 60T HSS BLADE: Manufactured with high-speed steel, more durability.Sharp saw blade cutters with thin kerf ensure smooth, fast and accurate cutting with impressive results. Ideal for thin sheet metal and aluminuim , wood, plastic and drywall. COMPATIBLE:These circular saw blades are compatible to use with electric circular saw with arbor of 3/8in(9.5mm). Compatible with RK3441K RK3440K 4-1/2 inch Compact Circular Saw., WORX WX429L and PORTER-CABLE Pce381.