This is professional bike brake bleed kit, compatible with Most Brake Systems In the Market

7pieces adapters apply for Avid, Formula, Hayes, Fox, DTSWISS, Rockshox, Bengal, Quad, Echo,Giant Brake System and Fork,Shimano, Magura, Tektro, Hope

Compatible with Both Mineral and DOT Fluid, but same one cylinder do not exchange from DOT and Minerial Oil.

Professional Bleed Block, Close caliper and adaptor, have english detail user guider, so easy to operate it.