➤Standard Strong Wedge Anchor made of stainless steel 304, heavy duty, durable and corrosion resistance.➤Stainless Steel Wedge Anchor Diameter of anchor: 1/4 inch.➤Wedge Anchor Fasteners for Concrete Length of the anchor: 1-3/4 inch.➤Maximum working pressure of 2000 psi, temperature range from -100 to +660 degrees ℉.