ProtoGrip Hi Strength Magnetic Impact Sockets, Power, 1/4 in Dr, 7/16 in, 6 Pt

Features: Allows room for more magnet material, helping increase total magnetic strength | Designed to easily pick up heavy fasteners and hold them tightly during use | Impact sockets with high impact strength are used in automated and hand impact socket application | ProtoGrip Magnetic Sockets require no bushings to hold the magnet in place | ProtoGrip Magnetic Sockets use high strength magnets made from a rare earth magnet alloy/nylon blend | Strong magnetic hold helps increase efficiency when installing fasteners in awkward or hard-to-reach locations