Skylon A0033-BLK: Skylon Black Skylock Horizontal Locking Board Racks (PR) A0033-BLK. Horizontal Orientation -TruLockT Technology keeps your boards totally secure and doesn’t allow for any bouncing or slipping.-Adapters available for almost every tower manufactured.-2 Vest holders.-Skier Down Flag Holder Included.-First time you can actually use a Master Lock to securely lock the boards into the rack while you are away.-Fits ALL sizes of Wakeboards, Surfboards, & Wake skates.-6061 Billet Aluminum and Stainless Steel Hardware.-Finished with a super durable Hard Anodize.-EPDM rubbers to protect your expensive equipment. -Proudly Made In-House in the USA.(SOLD IN PAIRS)