Specifications: Applicable:Universal--Fits the following : Common bicycle chains of 7/8/9/10 speed, suitable for most of bicycles. Product introduction: Professional bicycle chain repair tool: The bicycle chain repair Set is equipped with 1*bicycle chain pliers+1*bicycle chain breaker separator with chain hook+1*chain checker+3 pairs of missing bicycle links, perfect match for all you Bicycle chain repair, including everything you need to repair the bicycle chain yourself at home or on the road. Easy to break and connect: Bicycle chain pliers with chain hooks and bicycle chain breaker separators make it easier and faster to remove and insert the pins in the bicycle chain, which is convenient and efficient. The high-precision bicycle chain checker can help you know when to replace the bicycle chain Convenient, durable and well-made: made of heavy-duty steel to ensure they are durable enough for daily use. This bicycle chain repair tool kit is the perfect choice for mechanics or long-distance cyclists, making chain maintenance and repair easier. Wide range of applications: Our bicycle chain repair tools can be used for all kinds of bicycles, including mountain bicycles, road bicycles, folding bicycles, children's bicycles or ordinary daily bicycles. Packing includes: 1 x bicycle chain pliers 1 x bicycle chain breaker separator with chain hook 1 x chain checker 3 pairs of missing bicycle links