BlueSpot Ratchet Spanners are manufactured from chrome vanadium, heat-treated and nickel-plated for increased durability. 5° ratcheting increments make set ideal for use in tight spaces. Fully polished mirror finish. Manufactured from chrome vanadium, heat treated and nickel plated for increased durability5° ratcheting increments make set ideal for use in tight spacesFully polished mirror finishBi Hex72 teeth