ANCHOR LENGTH 2-1/16 INCH; ANCHOR SIZE 1/2 INCH; DRILL SIZE 7/8 INCH; LOAD RATING 3565 LB FOR 2000 PSI, 5840 LB FOR 4000 PSI, 6080 LB FOR 6000 PSI CONCRETE; MATERIAL ZAMAC 7 ALLOY; THREAD LENGTH 7/16 INCH; TPI 13; TYPE SINGLE EXPANSION; POWERS. BRAND