MT Valves & Fittings product. Available references and published specifications: • 6701008 — measures: BRASS STRAIGHT COUPLING 8X8; weight (kg): 0.03; small / large box: 25 / 550 • 6701010 — measures: BRASS STRAIGHT COUPLING 10X10; weight (kg): 0.03; small / large box: 25 / 450 • 6701012 — measures: BRASS STRAIGHT COUPLING 12X12; weight (kg): 0.04; small / large box: 10 / 300 • 6701014 — measures: BRASS STRAIGHT COUPLING 14X14; weight (kg): 0.06; small / large box: 10 / 250 • 6701015 — measures: BRASS STRAIGHT COUPLING 15X15; weight (kg): 0.06; small / large box: 10 / 240 • 6701016 — measures: BRASS STRAIGHT COUPLING 16X16; weight (kg): 0.07; small / large box: 10 / 200 • 6701018 — measures: BRASS STRAIGHT COUPLING 18X18; weight (kg): 0.08; small / large box: 10 / 160 • 6701022 — measures: BRASS STRAIGHT COUPLING 22X22; weight (kg): 0.11; small / large box: 10 / 140 • 6701028 — measures: BRASS STRAIGHT COUPLING 28X28; weight (kg): 0.16; small / large box: 10 / 70 • 6701035 — measures: BRASS STRAIGHT COUPLING 35X35; weight (kg): 0.23; small / large box: 5 / 45 • 6701042 — measures: BRASS STRAIGHT COUPLING 42X42; weight (kg): 0.33; small / large box: 5 / 35 • 6701054 — measures: BRASS STRAIGHT COUPLING 54X54; weight (kg): 0.59; small / large box: 5 / 30 Price and local availability on request. Source: https://mtspain.net/en/straight-coupling-brass-compression/