Cobra 680T CobraTap Concrete Screws, 1/4" x 1-1/4"Highlights: Size: 1 4" x 1 1 4" Socket Drive Drill Bit Anchors per pack: 100 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 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 harm. For more