Non-Magnetic Screwdriver Set Tip Finish Black Oxide 1/2 in 5/16 in Phillips Slotted Molded Number of Pieces 3 No ESD Safe No Non-Sparking No Measurement Type SAE Includes Keystone Slotted 5/16 in x 28 in 1/2 in x 25 in Phillips #2 x 21-7/8 in Corrosion Resistant No Tether Ready No Range of Shank Lengths 21 7/8 in to 28 in