Size (In.): 5/16 x 3-3/4 Ultimate Pullout (Lb.): 900 Head Style: Nut T-Anchor, Carbon Steel, Yellow Dichromate, Anchor Thread Size 5/16 In.-18, Usable Length 2 3/4 In., Screw Length 3-3/4 In., Size 5/16 x 3-3/4 In., Package Quantity 4