This is the brake cable hose designed to be used with mineral oil and compatable with Shimano hydraulic disc brakes.
The hose can be cut to length, and also used with other brands of lever and caliper, but is recomended for fitting with its fellow Shimano products.

Recommended brake levers: ST-M975, BL-M975, ST-M600, ST-M585, ST-M535, BL-M585, BL-M535, BL-M525.