HARFINGTON 3Pcs Magnetic Nut Driver 9/32" x 1/4" 9/32inch x 2.5inch, Black
Manufacturer: HARFINGTON. Material: Made of Cr-V (Chromium-Vanadium) steel, Cr-V steel is known for its superior strength, durability, and impact resistance 2. Instructions: Align the nut driver over the fastener and engage it fully.