Function: Qiqiang propane filling adapter. Store silicone oil and lubricate your with supplemental propane. Leak free design: Silicone oil mix with propane when not in use. Silicone oil not leak from the valve stem. Mixing propane and silicone oil: Only when you the valve stem silicone oil flow out together with propane and enter your magazine. Use with any standard camping propane gas tank. Easy to use. and . Note: For Qiqian's use only. Before filling, add 3 drops of silicone oil to the oil port. Do not use instead of silicone resin. The nozzle of this adapter is not compatible with the material box with a bottom plate. It not reach the filling nozzle on like WE Hi Capa. Propane is heavier than air and should not be used indoors. If inhaled in large quantities, propane is and highly . Note: 1. The cap top cover from batch to batch and does not affect usage. 2. The stainless steel needle standing vertically in the middle is linked to the gas cylinder. When the needle is pressed down, the gas cylinder come out, and if it is not pressed, there be no gas out. The knob is used for exhaust and pressure relief Product Name: Connector Specification: Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Cap tops from batch to batch Colour:red Material:Metal Package Contents: 1 x pneumatic propane adapter Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.