'Expansion Anchor, Sheet Metal Screw Expansion Anchor, Lead, Anchor Dia. 5/16 In., Anchor Internal Thread Dia. #10 to #14, Anchor Length 1-1/2 In., Screw Size #10-14, Anchor Drill Size 5/16 In., Min. Embedment 1-1/2 In., Ultimate Tension in 3000 PSI Concrete (Lb.) 310, Application Concrete and Block, Meets/Exceeds GSA SPEC FF-S-325C,GRP IV, TYPE 1, Package Quantity 50'