Features and Benefits:�PH #1 & SL 3/16”�SQ #2 & SQ #1�ECX™ Bits for electrical fasteners�Most common bit sizes included�Durable steel construction�Compatible with Milwaukee® 13 in 1 Cushion Grip Screwdriver�Compatible with Milwaukee Multi-Functional Screwdrivers�Engraved markings for quick identification�Limited Lifetime WarrantyThe MILWAUKEE 4PC Replacement Bits include the Bit Sleeve & 1/4" Nut Driver, ECX #1 & #2, PH #2 & SL �”, PH #1 & SL 3/16”, and SQ #1 & #2. The driver bit set is compatible with the Milwaukee multi-functional screwdrivers and offers the most common bit sizes. These bits are double-sided for compact convenience with engraved markings for quick identification. This 4-piece bit set has a limited lifetime warranty.