10 PCS 1/4 in. Hex Shank Magnetic Nut Driver Bit Set Heavy Duty Length 2.5 inch (65 mm) 1/4 inch Quick Change Impact Ready Magnetic Nut Setter Bit Set

These magnetic nut setter sets drive hex-head fasteners during installation and service work. Available sizes range from 1/4 in. to 5/16 in., so you can match the setter to the fastener head. Magnetic retention helps hold the fastener while positioning it for driving. - 10 pieces per set