Description: No mating interface specification electrical mill, as long as the electric grinder or drill may be sandwiched 3.175mm size can use, Easy to install, just need to clip the power connector handle grip to the mill. Coupled with the flexible shaft grinder, more flexible, like holding a pen the same convenience. It is supporting electric grinder or electric drill can be used. (The shaft without the machine, the machine please reprovision) Drill grinders common shaft, are two of the chuck shaft Universal chuck (without frequent replacement chuck, clamping specification 0.3-3.2mm) Specification: Material: Rubber and Plastic Color: Grey Length: 105cm Clamping Specifications: 0.3-3.2mm Package Includes: 1 xShaft