Bosch 1x Circular Saw Blade Special (for Wood, Non-Ferrous Metals, Plastic, Ø 190 x 2.5/1.8 x 20/16 mm, 54 Teeth, FT, with 1x Reduction ring 16 mm, Accessories for Circular Saws) :
Bosch 18V 190mm Cordless Circular saw GKS 18V 68 - Bare unit | DIY at B&Q
Bosch Accessories 2608640633 Wood Construct Circular Saw Blade, 190mm x 2.6mm x 30mm, 12Teeth, Silver : Amazon.co.uk: DIY & Tools