MT Valves & Fittings product. Available references and published specifications: • 6512720122015 — measures: PEX FITTINGS STRAIGHT MALE COUPLING 12X2,0-1/2"; weight (kg): 0.05; small / large box: 10 / 350 • 6512720162015 — measures: PEX FITTINGS STRAIGHT MALE COUPLING 16X2,0 1/2"; weight (kg): 0.06; small / large box: 10 / 300 • 6512720162020 — measures: PEX FITTINGS STRAIGHT MALE COUPLING 16X2,0-3/4"; weight (kg): 0.08; small / large box: 10 / 220 • 6512720162215 — measures: PEX FITTINGS STRAIGHT MALE COUPLING 16X2,2-1/2"; weight (kg): 0.06; small / large box: 10 / 300 • 6512720162220 — measures: PEX FITTINGS STRAIGHT MALE COUPLING 16X2,2-3/4"; weight (kg): 0.08; small / large box: 10 / 220 • 6512720202015 — measures: PEX FITTINGS STRAIGHT MALE COUPLING 20X2,0-1/2"; weight (kg): 0.09; small / large box: 10 / 200 • 6512720202020 — measures: PEX FITTINGS STRAIGHT MALE COUPLING 20X2,0-3/4"; weight (kg): 0.1; small / large box: 10 / 160 Price and local availability on request. Source: https://mtspain.net/en/straight-male-coupling-pex/