Millennium Q-300 Universal Blind Platform - The Q-300 blind platform is made of Powder-coated steel, has a capacity of 750lb, and is 6ft x 6ft x 6ft overall. Features Easy Ladder Access Ladder Mounts In Any Position Optional Corner Adapter For Pop-up Blinds Optional 4 Ft. Extension Optional Anchoring Outriggers To Secure Pop-up Blinds