Professional metric hex / allen keys for commercial or home use Metric hex keys on a key ring 10pc allen key set Come on a key ring for easy storage as well as quick selection Metric short allen keys Metric sizes ranging from 1.5mm – 10mm Manufactured from HRC 45-48 steel for maximum strength and durability Perfect item to take on a bike ride and other outdoor trips as part of a breakdown kit Suitable for Allen / Hex key type bolts Short and long arm allen hex key for access in restricted hard to reach areas To use the longer part of the allen key simply pull off the key ring to use SET INCLUDES THE FOLLOWING SIZES • 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 5.5mm, 6mm, 8mm and 10mm SPECIFICATIONS • Metric hex key set • 10pc allen key set • Metric sizes • Size range – 1.5mm – 10mm • Complete on a key ring • HRC 45-48 Steel