The product is an 8 pack of Milton 715BK M Style Quick Couplers, featuring a 1/4-inch female coupler size and a stainless steel color. Made of brass with NPT thread type, these quick couplers are designed by Milton Industries and weigh 2.19 pounds. The product dimensions are 2 x 2 x 3 inches, and it does not require batteries for operation. Perfect for use in hydraulics, pneumatics, pumps, and plumbing applications, these couplers provide a reliable and efficient connection solution for various fittings and adapters.