Available for various machine brands and model such as Husqvarna, Weka and Hycon.
 
Selection guide:
RSH★★★ FASTcut            

• Very fast and free cutting
• Ideally suited to hydraulic and high frequency saws
• Also an option for petrol saws

 RSP★★★ LONGlife          

• Primarily suited for 2-stroke petrol saws
• Harder bond for more lifetime and durability