Specifications:Item: 1LB 1lb Disposal Connection Adapter KitMaterial: Solid brassThread: 1/4" NPT Female Thread and 1/4" NPT Male Thread1LB Bottle Connection To 1/4" NPT Male:> The adapter with 1"-20UNEF thread connect the 1lb disposal propane tank and other side with 1/4" Male NPT Thread.> 1/4" NPT Male Thread to connect the propane torch or the QCC refill adapter.> It is perfect for propane gear to hook your one pound propane bottle> Standard thread for US standard 1 pound disposal tank connector.1LB Bottle Connection To 1/4" NPT Female:> Half of one pound refill adpater with 1/4 Female Npt thread.> This adapter can be customzied to connect any Male thread 1/4"NPT adapters and refilling gas to 1lb b.