ITEM NAME:Brass Compression Fitting Straight Union Connector OD *3/16"OD 3/16" Equal P7U7 Brand new 100% original production Features Material: Brass Connection: 3/16" OD*3/16" OD Rust and corrosion proofingOur Copper Nickel Alloy Fitting are the longest lasting and durable Fitting . High QualityOur brake line meets all SAE and ISO specifications. Our tubing has best quality in the market and don't worry to get rusty. Listing Contain: 1 X Brass Compression Fitting Straight Union Connector.Connection: 3/16" OD 3/16" OD. 1 X Brass Compression Fitting Straight Union Connector. Rust and corrosion proofingOur Copper Nickel Alloy Fitting are the longest lasting and durable Fitting. Material: Brass.