Dexion Speedframe Joints Joints are required to connect the square tubing together when building with Dexion Speedframe. They should be used in conjunction with tube inserts (with one insert per joint connection between tubing). Made from aluminium alloy, they are supplied with a black or dark grey finish. There is a full range available, allowing the construction of any framework you require. 2 way joint - creates a two way corner joint between two pieces of tubing 3 way flat joint - creates a flat joint between three pieces of tubing 3 way corner joint - creates a corner joint between three pieces of tubing 4 way flat joint - creates a flat joint between four pieces of tubing 4 way corner joint - creates a corner joint between four pieces of tubing 5 way corner joint - creates a corner joint between five pieces of tubing 6 way corner joint - creates a corner joint between six pieces of tubing