Made of quality conduit material, solid and durable to use Universal part, as long as your electric grinding tool and electric drill can fit for 3.17mm diameter clamping Installing the flexible extension shaft on the grinder is more flexible to use, convenient just like holding a pen Easy to install, just clip the connector handle to the grinder It supports electric grinder or electric drill (the shaft without the machine) Features: Made of quality conduit material, solid and durable to use. Installing the flexible extension shaft on the grinder is more flexible to use, convenient just like holding a pen. Universal part, as long as your electric grinding tool and electric drill can fit for 3.17mm diameter clamping. Easy to install, just clip the connector handle to the grinder. It supports electric grinder or electric drill. (The shaft without the machine) Description: This product is a flexible extension shaft for electric drill and electric grinding tool. Made of quality sebific