6 Piece Plastic PVC Pipe Fitting Saver Kit Fits into standard 1/2 inch drill

Use high torque, low RPM drill settings to reduce friction-induced heat and provide the cleanest boring. Material: Made of high-quality alloy valve body and heavy-duty steel hex key shaft, coated with rust-resistant finish, durable, high strength, high precision, wear-resistant, corrosion-resistant, non-deforming, and with a long service life.