DUOBOND Accessories Range of two component (1:1) Application equipment for the Duobond Adhesive product range 50ml Duo-Gun 50ml Twin cartridge gunRatio: 1:1 (25ml:25ml)Suitable for application of Duobond 50ml cartridges 400ml Duo-Gun 400ml Twin cartridge gunRatio: 1:1 / 200ml:200mlSuitable for application of Duobond 400ml cartridges 1500ml Duo-Gun 1500ml Extended electric twin cartridge gunRatio: 1:1 (750ml:750ml)Supplied with 2 x 20V batteries & charging unit as standardSuitable for Duobond 1500ml cartridges 1500ml Manual Duo-Gun 1500ml Twin cartridge gunRatio: 1:1 (750ml:750ml)Suitable for Duobond 1500ml cartridges