The YakAttack Gear Trac GTTL175 4 Inch Top Loading Aluminum Mounting Track allows for versatile mounting of all your paddling and fishing gear. The YakAttack Gear Trac GTTL175 4 Inch Top Loading Aluminum Mounting Track is a top loading version of the popular GT175. Instead of having to slide your accessory in from the ends of the GearTrac you are able to drop each accessory in from the top. This makes it very easy to adjust positioning while on the water when using multiple accessories on a single piece of GearTrac. This heavy duty surface mount track provides a platform that's not only adjustable, but fully configurable, enabling unparalleled versatility for accessory mounting! Includes #10 blunt tip stainless steel thread forming screws. The optional FullBack backing plate provides easier installation and increased security. Compatible with 1/2" wide track hardware.