Product Description Storz coupling with female thread Lug distance: D = 31 C = 66 B = 89 A = 133 Thread: BSP, DIN ISO 228 Material: Aluminum Profiled seal: NBR Production method: Forging Application: Firefight, irrigation, petroleum, chemicals ... Other size can be ok according to your requirement Product Specification / Models Storz 25 --- Storz 110 Application / Models Firefight, irrigation, petroleum, chemicals