Westward 5YUU1 Hex Key Set Features T-shaped ball end hex key sets have one long arm with the drive tip at the end, and two short arms that form a handle that can provide more torque than an L-shaped key. They have a hex ball end at the tip of the long arm that can tighten and loosen hex head fasteners from multiple angles in hard-to-reach locations. Sets come with an assortment of hex keys for a range of fastener head sizes. Tip Size / 10 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm Finish / Black Oxide Overall Length / 9 inch Number of Pieces / 8 Container Type / None Length Family / Long End Shape / Hex Number of Tips / 8 Non-Sparking / No Non-Magnetic / No Tether Ready / No Corrosion Resistant / No Insulated / No Measurement Type / Metric Material / Steel Driver Material / Alloy Steel Fastener Holding / No Key Shape / T Tip Size / Code M5 Number of Ball Ends / 1 Handle Type / Plain Grip Style / Molded Handle Material / Plastic Handle Color / Blue