G1/4 Male Thread Barb Fitting — 8 Pack (7-8mm ID)PC Water Cooling Hose Barb AdapterWHAT YOU GET- 10 x G1/4 Male Barb Fittings (same size)- Material: Brass, nickel-plated, with black rubber O-ring- Color: Silver (nickel finish)SPECIFICATIONS- Thread: G1/4 Male (external thread)- Hose ID: 7-8mm (fits both 7mm and 8mm inner diameter tube)- Barb outer diameter: 9.2mm- Barb length: 16.5mm | Total height: 26.5mm- Hex width: 16.5mm (wrench size) | Weight: ~12.3g eachCOMPATIBILITY- Standard G1/4 female ports on radiators, CPU/GPU water blocks, pumps, reservoirs- 7-8mm ID soft tubing — PC water cooling or industrial coolingHOW TO USE1. Slide a hose clamp over the tubing first2. Push the tubing onto the barb3. Tighten the clamp to secure (clamps NOT included)THREAD DIRECTION- G1/4 Male (external thread) — screws INTO standard G1/4 female portsNOTES- NOT a compression fitting — hose clamp required- NOT for 10mm ID tube- Hand-tighten + wrench on hex section; do not overtighten