LTWFITTING Brass 1/2" OD x 1/2" Female NPT Compression Connector Fitting(Pack of 5) Type: Male Compression connector Tube Size:1/2" OD Thread:1/2" Female NPT Package Content : 5 PCS(Include Nut And Ferrule) Materies: BRASS, et Weight: 43g/PC Choosing products dimensions and quantities at column of size and colour seperately,price would be more favorable if choosing wholesale.