ThruLOK® is the newest edition to the FastenMaster LOK Line of structural wood-to-wood fasteners. ThruLOK® offers the speed of a LOK Line product and the strength of a through-bolted connection. ThruLOK® is a three-part assembly including a ThruLOK® fastener featuring the patent-pending Paddle Point, engineered washer and LOK-Nut.OMG Inc.