This Zeno 30 piece hex allen key set is perfect for everyone who loves doing DIY. The set includes fifteen long-arm Imperial keys and fifteen short-arm Metric keys which allow you to work in awkward places. Manufactured from A grade heat treated, hardened steel. Supplied in Grey coloured folding carry case for easy access. 30 piece allen key set Manufactured from heat treated, hardened steel with black oxide finish Industrial quality - durable and robust Keys allow you to work in awkward places Includes Grey carry case. Comprises fifteen long-arm Imperial keys and fifteen short-arm Metric keys Set Contains the Following Sizes: Long-Arm Imperial Sizes 0.028" 0.035" 0.050" 1/16" 5/64" 3/32" 7/64" 1/8" 9/64" 5/32" 3/16" 7/32" 1/4" 5/16" 3/8" Short-Arm Metric Sizes 0.7mm 0.9mm 1.3mm 1.5mm 2mm 2.5mm 3mm 4mm 4.5mm 5mm 5.5mm 6mm 7mm 8mm 10mm