ITEM NAME:Stainless Steel KF25-13 Flange to 12.7mm Hose Barb Adapter for Vacuum I5Q6 Stainless Steel KF25-13 Flange to 12.7mm Hose Barb Adapter for Vacuum I5Q6 Package Content: 1 x Flange Barb Adapter Main Color: Silver Tone This adapter rubber hose nozzles are KF25-13 to rubber hose and fit a 12.7mm Inner D rubber hose. The flange size follows ISO-KF standard, They are commonly used to make connections between ISO-KF fittings and rubber vacuum hoses. The ISO-KF flanges are often called quick flange fittings because they are quick to assemble. They are made of Stainless Steel. Product Name: Flange Barb Adapter Overall Size: 40x40mm / 1.6" x 1.6"(L*D) Fit for: 12.7mm Hose Material: Stainless Steel Weight: 49g Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.