McMaster 5862K939 Nickel Plated Neodymium Magnet, N45, 1 4" Thick × 1 2" Wide × 2" Long, 28 lb Pull, 2 Countersunk Holes 4TKV7 ASTM F2503 Tether Capable Tether ASTM F2503 Tether Capable Tether Capable Screwdriver and Nut Driver Grouping Screwdrivers Insulated No Tip Style Slotted ESD Safe No Handle Color Yellow Tether Style Tether Capable Shank Coating None Tip Finish None Corrosion Resistant Yes Magnetized Tip No Tether Ready No Slotted Screwdriver Tip Shape Keystone Shank Finish Natural Non Magnetic Yes Measurement Type SAE Non Sparking Yes Grip Style Plain Replaceable Shank No Package Quantity 1 Chemical Resistant Coating Application Standard Dry Time Tack Free 2 4 hrs Country of Origin United States 005") Maximum Pull 28 lbf Flux Density 13 even pull across surfaces and fits easily into slots or grooves