BL4409 ECP MG. The Borg Locks BL4409 ECP is a marine-grade mechanical gate lock designed for external wooden and timber gates. It features a free-turning lever handle with an Easicode Pro (ECP) keypad, allowing for on-the-door code changes without removal. The lock includes an internal rim-fixed slam latch with a holdback function, enabling the gate to remain unlocked temporarily when needed. Constructed with fully marine-grade stainless steel fixings and an MG Pro 2 e-plated coating, it is engineered to withstand harsh environmental conditions.. Suitable for medium-heavy duty usage. Specifically designed for use on external wooden and timber gate applications. Marine Grade Pro black finish. Over 4000 non sequential code combinations available