Tested in the most severe conditions by top touring pros, T-H Marines Shock Lock Electronics Mount has been field-proven to keep your marine electronics secure. Its exclusive Dowel Pin Lock joint-locking system virtually eliminates the slipping, moving and shifting youve experienced with other mounts. When the boating day is done, simply pull the spring-loaded, quick-release tab at the base and it instantly releases the Shock Lock and your electronic unit. Ultrastrong Shock Lock is made of anodized aircraft aluminum and stainless steel. Pivot Points in base create multiple positions. Available: 3 Arm 6 mounting base, 5 Arm 12 mounting base. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Mounts and Bases.