The Berkley Mount Base With Lock is a handy accessory for attaching rod holders and other equipment to boats or other hard surfaces. With dimensions of 10.4×5.2cm and a height of 5cm, it provides a sturdy base for a variety of applications. The use of fiberglass reinforced material makes it durable and able to withstand the challenges of fishing. The lock adds an extra layer of security, keeping your gear safely in place. In addition, this mount base can be used in conjunction with the Berkley Glue on Pad for situations where screws are not desirable.