Flexible Use - It is convenient and flexible, 35.24" (89.5cm) length allows working in small and hard to reach places As long as your electric grinder or your electric drill can be attached to the size of 3.175mm/1/8", the flexible shaft can be connected, no need to match the electric grinder interface specifications Large Compatibility - This flexible shaft is the perfect complement for your rotary tool; Quick connect easily attaches to your Dremel rotary tool. Widely Used - It can be used with polishing kits, drill bits, wire brushes, burrs, flap wheels, mounted stones and grinding wheels. NOTICE: Use as much as possible to straighten the flexible shaft, can extend the life of the flexible shaft. It supports electric grinder or electric drill can be used (the shaft without the machine, the machine please replenish).