Comparison : Item # SD9112MB, 1-1/2" Simpson Strong-Drive® SD Connector Screw, #9, Mechanically Galvanized, 3000/pk
Item # SD9112R100, 1-1/2" Simpson Strong-Drive® SD Connector Screw, #9, Mechanically Galvanized, 100/pk
Item # SD9112R500, 1-1/2" Simpson Strong-Drive® SD Connector Screw, #9, Mechanically Galvanized, 500/pk
Item # SD9212MB, 2-1/2" Simpson Strong-Drive® SD Connector Screw, #9, Mechanically Galvanized, 2000/pk
Item # SD9212R100-R, 2-1/2" Simpson Strong-Drive® SD Connector Screw, #9, Mechanically Galvanized, 100/pk