. Precision machined from solid steel bar stock which provides longevity during mechanical shock in rugged applications.3/8 Inch Universal Steel Coupler x 3/8 Inch Female NPT, PK 6 Maximum working pressure 300 PSI. These couplers are interchangeable with the Universal Standard series couplers produced by other manufacturers.
. Features a rubber construction for enhanced durability and it attaches to most chuck keys to help keep your tool on hand.Aftermarket Rubber Chuck Key Holder Superior Electric Chuck Key Holder securely attaches chuck key to the cord set of your drill.