The Bondhus BLX10 is a hex key set from Bondhus that includes 10 metric keys from 1.5mm to 8mm sizes. The keys are made of Bondhus Protanium steel for superior strengh and long life. The keys feature Bondhus Balldriver® technology for greater leverage and improved access to hard to reach areas. The keys also have a comfort grip handle for better control and a patented “click” stop feature which lets you know when the key is properly installed. This hex key set includes a handy storage case which keeps the keys organized and is easily portable.