Buteline clamp tools are available in 4 sizes in Australia -- 18mm, 22mm and 28mm, as well as 20mm for the Recycled Water & Rainwater System. There are the standard clamp tools in 18mm, 22mm & 28mm which are non-adjustable, and the ProClamp Tools in 18mm & 22mm which are smaller but still robust tools ideal for use in restricted spaces. A mini battery-operated clamp tool is also available, complete with charger and spare battery, with separate jaws in 18mm, 20mm (for Recycled & Rainwater system), 22mm and 28mm.