A Quick Fix Support System For 4×4 Wood Posts Made Out Of 18 Galvanized Hardened Steel, Will Anchor A Sagging Post From The Subterranean Wood Below The Cement Clamp It Down To The Wood Above, Extends The Life Of Your Wood Fence Or Mailbox For Up To 10 More Years, No Need To Remove Or Dig Up The Old Fence Posts Or Cement, Just Hammer The Post Doctor In, Bolt It Down Secure With A Thin Layer Of Mortar, Kit Includes 1 Post Doctor, 1 516 Drill Bit, 1 Phillips Head Bit, 1 5 Through Bolt, 2 Washers, 2 Lock Washers 3 Wood Screws, Tools Needed To Install Hammer, Drill, Crescent Wrench, 716Th Socket Head Wrench, 2 1 x 6′ Wood Braces 1 Small Bag Of Mortar