1、High quality carbon steel can be stable and durable, super torsion can help you save energy, combined with a wrench, suitable for mountain bike crankshaft, for the removal of square and knurled crankshaft. Easy to operate, very suitable for bicycle maintenance. 2、Bike crank extractor puller, extended ejector, for removing chain rings and cranks, perfect for square conical crank sets, and for removing tools with a wrench and crank unloader. 3、Bottom bracket remover, 20 teeth, for disassembly of bicycle bottom bracket, very durable high strength steel structure. 4、The bike chain breaker is compact, portable, comfortable to operate and easy to cut chain. It is specially designed for removing and installing chain bolts. 5、Our bike chain tools are available for all kinds of bikes, including mountain bikes, road bikes, foldable bikes, children's bikes or regular everyday bikes, etc. Due to its light weight, it is possible to carry a bike chain repair kit even when riding. Condition: 100% Brand New Item Type: Bicycle Repair Tool Kit Material:High Strength Steel Color: As Pictures Shown Weight: Approx. 436g/15.4ozHex Wrench Size: Approx. 15.6cm/6.1in, 16mm/0.6in Bike Crank Extractor Puller Size: Approx.7.8cm/3.1in Bottom Bracket Remover Size: Approx. 5x3cm/2x1.2in Bike Chain Breaker Size: Approx. 10.5x7.3cm/4.1x2.9in Suitable For: Mountain Bike/ Road Bike. 1 x Hex Wrench 1 x Bike Chain Breaker 1 x Bottom Bracket Remover 1 x Bike Crank Extractor Puller