Adjustable tongue mount roller for boat trailer. Complete for 2" wide Tongue. These durable, adjustable offset galvanized plated brackets mount on the trailer tongue with a 4" black rubber spool type roller for additional keel support. The off-set is 2", and length of the bracket is 12". Mounts with 3/8" diameter bolts, included. Sold as each. These came on new trailers and were remove before delivery. They have bolt marks from mounting and some are slightly weathered otherwise in good working order.