Lifeproof Ross Lake White Oak 1/4 in. T x 6.5 in. W Click Lock Engineered Hardwood Flooring (21.67 sq. ft./case) House/Office Key They are not recommended for making it ideal for

Lifeproof Ross Lake White Oak 1 4 in. T x 6.5 in. W Click Lock Engineered Hardwood Flooring (21.67 sq. ft. case) House Office Key They are not recommended for making it ideal for They are not recommended for treated lumber or applications where surface rust would be unacceptable Specification Details Diameter 1 2 inch Length 4 inches Head Style Hex Head Type Hex Thread Size 1 2" 13 Thread Style Right Hand Fastener Type Hexagon Bolt Hex Cap Screw Manufacturer Grade Grade 5 Item Hardness Grade 5 Exterior Finish Zinc Material Steel Measurement System Imperial Item Weight 6 Key Features: it is designed to be waterproof