Kobalt 100 Piece Household Tool Set with Hard Case Cultured Marble Vanities Requires rough opening of 51 1 2 Requires rough opening of 51 1 2 in TPO Membrane Application Method Brush On Our Pro90 ratchet has a 90 tooth gear that delivers a 4 ° arc swing and offers improved mobility in tight spaces Stored in a 4 drawer blow molded tool chest for easy storage and transportation Sockets and wrenches are constructed from chrome vanadium steel and heat treated for strength and durability Professional grade high polish finish makes cleaning your tools a snap Tri lobal screwdriver handle is ergonomically designed to provide a high level of confidence during high torque applications