These are for #6 aka 3/8" hydraulic hoses.
Lowrider hydraulics #6 caps *2pcs
Lowrider Hydraulics #6 to #6 jic bulkhead straights & panel kit, for hardline
Lowrider Hydraulics #6 Nut and Sleeve, 10 sets, chrome for stainless hard line
Lowrider Hydraulics 6 Accumax solenoids, DC 12V,10A-F1025A,HD, double studs, new
Lowrider Hydraulics #6 - 15ft hose (6Jic) High PSI 1pr (2 Each)
Lowrider Hydraulics 6" black cylinders, deep cup & donuts & elbow & bolts, valve