Specifications:Made of real brass chrome plating, the diving cylinder valve is beautiful and not easy to rust. The important internal parts and seals are high quality to ensure excellent quality and safe use. The DIN and YOKE are dual-use, after twisting the DIN port with 8 large wrenches, it is the YOKE interface. There is a safety pressure relief port on the opposite side of the handle. Built-in explosion-proof valve, safer and more beautiful. Item Name: Air Tank Valve Material: Brass Interface Type: DIN + YOKE Dual Use Thread Specification: 3/4-14 NPSM Pressure: 250 BAR Size: 11cm x 10cm x 3cm/4.33" x 3.94" x 1.18" (Approx.)