EUROLITE Barndoors for THA-20PC TRC bk are separately sold light-control accessories designed for the compatible THA-20PC TRC spotlight. The barndoors enable adjustment of the desired light beam and are made of 1 mm aluminum and metal. They have a black finish, a 10 cm x 10 cm spotlight slot, and a ring with an outside diameter of 99 mm and an inside diameter of 80 mm. The product weighs 0.28 kg.