[SIZE] The safety copper valve shift "D" is 8mm x 6mm and the length is 14.5mm, compatible with many knobs. Control valve in & out thread is 7/16 inch -24 UNEF, thermocouple valve thread is M8*1. [PREMIUM MATERIALS] Gas control valve kits are made of brass with heavy-duty construction for rugged durability, strict quality control standards to build and test, and snap easily into place. [APPLICATION] This gas safety control valve with integrated igniter is used to repair and replace old propane gas and natural gas main control valves of garden gas heaters. Max BTU rating: 50000, working pressure 65 mbar. [EASY TO INSTALL] This gas safety control valve kit is easy to install. Please confirm the size is compatible before purchase and ensure the installation position is accurate when installing. Color: Brass color Material: Brass Package Contents: 1 x Gas Safety Control Valve Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.