These faithfull l shaped extra long hex keys allow access to difficult to reach and deep set fixings and allow high torques to be applied when fitting or removing bolts the keys are manufactured from chrome vanadium steel and are heat treated for strength and durability they have a satin chrome finish for rust prevention each key is colour coded for easy size identification the set is supplied in a sturdy plastic storage case this 9 piece set contains the following sizes15mm 2mm 25mm 3mm 4mm 5mm