Checkout "Rotatech Chains" on Youtube to See The Video of Them In Action Before ordering please double check the spec of your chain to make sure you get the right ones, to check the number of drive links remove your chain and count the number of the inside links (the ones that sit in the sprockets). We make tough chains for tough jobs. With over 20 years in the UK tree industry, we know what you expect from your tools and what they need. Our wide range of chainsaw consumables are designed to maintain the performance of your chainsaw and give them a new lease of life after a long days’ work. This helps to reduce cost over time and increase the efficiency of your chainsaw. We provide everything you need to ensure your chainsaw is running as best as it can including chains, bars, oils, files and sprockets.