This product is completely new. It can be attached to vertical or horizontal rails. Adjustable to fit rails measuring 32mm (1-1/4") to 50mm (2") in diameter. Includes a rubber insert to shield your fishing rod from abrasion on the stainless steel surface. The rod holder can be set to 32 distinct angles once installed. Simple to install; the mounting bracket comes with bolts (allen key not provided). Drain holes at the bottom of the rod holder permit any collected water to drain out