Quad Lock 360 Head - Lever The Quad Lock 360 Lever Heads offer a rapid and highly secure method for attaching and detaching your phone. Designed for versatility, these lever heads can be connected to any 360 ARM or Base, allowing adjustments at 10-degree intervals for optimal positioning. Features: Made from a combination of tough nylon and stainless steel aluminum Short Lever for compact sizing 13.9mm high and total width of 52mm Features our patented dual-stage lock