The Forney 75367 1/4-Inch Male NPT Compressor Tank Drain Cock is made of brass. Resists rust and will not corrode as easily as other materials. Forney Industries is one of Americas longest operating family-owned metal working product companies. Founded in 1932, Forney offers more than 5, 000 products for the hardware, automotive, farm and ranch and do-it-yourself markets. If you've got metal working questions, we've got answers. Were committed to your success regardless of location size or needs. Please contact our team at www. customerserviceatforneyind. 1/4-Inch (6. 35mm) Male NPT Compressor Tank Drain Cock. Claims for must be made within 90 days of the date of purchase. Proof of purchase required. This does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.