Comparison : Item # 62T-4, 1/4" O.D. Tube Standard Nut Compression Fitting - Straight Union - Drilled Thru (Slip Style)
Item # 62T-6, 3/8" O.D. Tube Standard Nut Compression Fitting - Straight Union - Drilled Thru (Slip Style)
Item # 62T-8, 1/2" O.D. Tube Standard Nut Compression Fitting - Straight Union - Drilled Thru (Slip Style)
Item # 62T-10, 5/8" O.D. Tube Standard Nut Compression Fitting - Straight Union - Drilled Thru (Slip Style)
Item # 62T-12, 3/4" O.D. Tube Standard Nut Compression Fitting - Straight Union - Drilled Thru (Slip Style)