40T & 60T - 1 x 40 teeth and 1 x 60 teeth blades. SILVERLINE 2pk Circular Saw Blades 40T/60T 250 x 30mm (+ 25, 20, 16mm Rings) - Product No. 991704. 30mm bore, but with reducing Rings for - 25mm 20mm 16mm.
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