Senco EA0300 #2 Phillips Drive Bits - Duraspin Technology Integrated Auto-Feed Screw System (4 - 2 Packs) Compatible with Duraspin models: DS312-18V and DS332-AC Measures approximately 7-1/2 Inches Long Genuine Senco Replacement Part Made with Steel to Hold up in Demanding Applications (2) #2 Phillips Duraspin Bits Per Package