Blue/Red Anodized Straight Push-On Hose Ends are super lightweight, easy to assemble, and provide great performance. Machined from aluminum alloy, these hose ends are ONLY compatible with Push-On hoses, Not the stainless steel braided hose or XR-31 hose. All hose ends are 37 degree. Use Push-On hose clamps for all high temperature & oil line applications.