Shark Blades Trades Line Circular Saw Blades. Perfect and very Popular for Circular saws, Mite saws, Compound Mitre saws, Chop saws, Table saws. Will Fit DeWalt, Makita, Bosch, Hitachi plus many more Hardened and tempered tungsten carbide teeth (TCT) All blades come with 1 x reduction ring Options include: 160mm 20mm bore 36 Teeth reduction ring 16mm 160mm 20mm bore 48 Teeth reduction ring 16mm 160mm 20mm bore 60 Teeth reduction ring 16mm 165mm 20mm bore 48 Teeth reduction ring 16mm 165mm 20mm bore 60 Teeth reduction ring 16mm 185mm 30mm bore 48 Teeth reduction ring 20mm 185mm 30mm bore 60 Teeth reduction ring 20mm 210mm 30mm bore 48 Teeth reduction ring 20mm (option of 25.4 if specified) 2.