Converts Type 1 Connection x 1 or 4 Inch Male Pipe Thread to QCC1 or Type1 Excess protection-Safety plastic cap off if damaged stopping of propane solid brass construction makes it corrosion resistant a 20lb-30lb propane tank to your regulator or hose assembly Easy to attachment, no required This propane adapter will convert your QCC1 or Type 1 Male and Female Connection to a 1 or 4inch Male Pipe Thread, makes changing propane tanks so much easier, solved propane issues. The threads are hand screw-able onto the gas tank without any tool. Male Connection: Outer QCC1 or Type 1 Male Thread, Inner Female Thread. Female Connection: 1 or 4 inch Male Pipe Thread, Standard Threads, The Threads Are Perfect Per Npt, The Same Size As A Refillable Propane Tank. The Gas Direction Is From 1 or 4inch To QCC1,1 or 4inch Npt Will Screw Into A Female Npt Fitting. Percect For Hooking Your Small Propane Bottles Up To The Larger One. Colour:Photo Color Material:plasticandbrass Package Contents: 1X QCC1 Propane Adapter 1X 5042 Male QCC1 Nut Propane Gas Fitting Hose Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm. Note: 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.