Scandium Fluoride is applied in optical coating, catalyst, electronic ceramics, laser industry, and also the main materials for making Scandium metal and alloys. The main application of Scandium by weight is in Scandium-Aluminium alloys for minor aerospace industry components. Some items of sports equipment, which rely on high performance materials, have been made with Scandium-Aluminium alloys, including baseball bats,and bicycle frames and components. Lacrosse sticks are also made with Scandium. The American firearm manufacturing company Smith & Wesson produces revolvers with frames composed of Scandium alloy and cylinders of Titanium or Carbon steel.