Description: Lag Bolt Set These Lag Bolts are used as standard hardware when attaching the Aqua-Stair System Ladder into a wood frame. Typically, (4) Lag Bolt Sets are needed for ladder attachment. These Lag Bolts can also be used for attachment of an 8" and 10" Nylon Cleats or the 8" Galvanized Cleat. Set Includes: 1 Bolt, 1 Washer Dimensions: 5/16" x 5" Weight: .5 lbs