- Half coupler for tubes with a diameter of 48 - 51 mm - Material: Aluminium 6061 T6 - Closure: M12 nut + wing nut - Outlet: M12 nut self-locking - Width: 50 mm - Tensile load: 750 kg - Tested according to: DIN EN 13814:2004 EUR 20.00 - See more - Buy online