"REMINGTON: LOW VELOCITY SPW WASHERED POWER FASTNERS *2-1/2" long *.300 headed/ .144 shank dia. with 1" SPW washer *Lowvelocity *ACQ Plus for pressure treated lumber *ACQ Plus coating offers a hiher level of corrosion resistance and meetsor recommendations for zinc coated fasteners *ASTM A153/A153M-95 *Box of 100