Cobra 672J Concrete Screw Hh, 3/16" x 2-1/4" N/A Does not contain harmful acids

Does not contain harmful acids

Rough opening is 34-1/4" x 29"

and stem joints

Installation & adjustment procedures of various assemblies

Features 3 selectable tunes - Westminster

Cobra 672J Concrete Screw Hh, 3/16" x 2-1/4" N/A Does not contain harmful acidsHighlights: Designed for maximum holding power Made of high grade steel with special corrosion resistant coating Socket Drive and drill bit are included as a bonus in all packs of 25 and 100 Socket Drive Drill Bit 1 4 Inch Socket Drive Size In=3 16 x 2 1 4 Anchors Per Pack=25 WARNING: This product can expose you to chemicals including Nickel (Metallic) which is known to the State of California to cause cancer and birth defects or other reproductive