Drive Size [Nom]=1/2 in Drive Type=Square Head Width [Nom]=1 1/8 in (opening side); 1 1/8 in (drive side) Locking Type=Pin Material=Tool Steel Measuring System=Inch No. of Points=4 Opening Size [Nom]=9/16 in Overall Length [Nom]=1 1/2 in Tip Type=Box Wt.=0.29 lb
