The mitre saw accessory pack contains: x1 Dust Bag, x1 Dust Port Adaptor, x1 Front Clamp and x1 Top Clamp.
To pick the correct accessory pack, pick from the "Size" options listed. The size listed is the blade size of the mitre saw.
E.g. Choose the 185mm accessory pack if your mitre saw is fitted with a 185mm blade. There are three sizes to choose from: 185mm, 210mm and 255mm mitre saws.
185mm mitre saws: R185SMS, R185SMS+
210mm mitre saws: R210SMS, R210SMS+, R210SMS-300+
255mm mitre saws: R255SMS, R255SMS+