Feature●Red Head Concrete Drop-In Anchor●Lot of 25●Size: 1-5/8" x 3/8"●Model #: 50125, Item #: 108529●Material: Steel Construction/Zinc Plated, Designed For Overhead Fastening In Solid Concrete, 4-Way Slot For Dependable Anchor ExpansionDescription Red Head Concrete Drop-In Anchor, Lot of 25, Size: 1-5/8" x 3/8", Model #: 50125, Item #: 108529, Material: Steel Construction/Zinc Plated, Designed For Overhead Fastening In Solid Concrete, 4-Way Slot For Dependable Anchor Expansion