Garelick Stainless Steel Toggle Bolt Anchors - Package of 6Positively secures seats and table bases to decks or any accessory to cabin walls. Made of 304 Stainless Steel. Saves time and labor - Provides added strength. Add reinforced safety and comfort to pedestal installations. Works with all Garelick Seat Pedestal Bases.Specifications: For deck or cabin thickness from 3/8" to 3 5/8"; Requires 1/2" (13mm) holes; Takes 1/4"-20 size thread; Does not include additional hardware