【SIZE CHECK︱CONNECTOR TYPE】25-Pack 1/4 inch NPT male thread × 1/4 inch body size industrial air plug. Industrial type, also known as M/D type, compatible with industrial I/M/D type air couplers.,【PRE-COATED THREADS】: Pre-coated threads ensures secure hold for these air tool fittings and also can effectively prevent air leakage, save the money buying tape, and also the time of wraping the tape, making work more efficient.,【SAFE︱SOLID MATERIAL】: Premium corrosion resistant zinc plated hardened steel construction provide the SUNGATOR 1/4 inch air plugs with a longer service life. They are sturdy and durable to withstand rated up to 300 Psi, and also against corrosion, abrasion, dulling, wear and tear after long time use.,【WIDE APPLICATION】: SUNGATOR 1/4'' male industrial air plugs are adapts to industrial I/M/D type air couplers, air quick connectors. These are widely applied to professional jobsites, automotive shop, auto dealership service department, in home, in the garage for air hose, air compressor, air tools, air nailer, air blow gun, pressure washer, etc.,【PACKAGE INCLUDE】: 1/4 inch NPT male thread × 1/4 inch body size industrial air plug × 25. Cost-effictive air fitting set, meet daily needs or needs of heavy users.