The Heavy-Duty 7 Brace Adjustable Commercial Grade Christmas Tree Stand for Trees Up to 16 ft. Tall gets trees and keeps trees standing straight all season long. Mount the 3 brace standtastic adjustable Christmas tree stand on a 4 ft. x 4 ft. plywood sheet and mount the 4 auxiliary braces on 2 x 4 blocks and you can easily and quickly install with just a screwdriver. Once attached the tree tips upright. The molded plastic leak proof bowl provides 3 gallons of water to help keep your tree fresh, while protecting your flooring. Angled braces connect securely with wood screws high up the trunk for greater stability and help prevent the tree from toppling over. Big trees can be adjusted to "picture perfect straightness" with just the use of a screwdriver with no more whittling of trunk ends since the wide bowl has plenty of room for larger trunks. Reliable braces solve the problems associated with standing big Christmas trees and are reusable year after year. Molded in mounting holes make it easy to attach the bowl to a plywood sheet to extend the width of the base. Storage caddies on the bowl rim let you conveniently store screws and the used centering pivot until next season.