Bondhus Ball End Hex Wrenches are made from Protanium high torque steel and then coated Proguard Dry Surface Technology for enhanced corrosion resistance. The unique ball end allows for insertion from odd angles and in tight spaces. The Bondhex case: keeps blades ordered by size, holds them securely, and can be used with blade to increase torque.Kit Includes:2mm 2.5mm 3mm 4mm 5mm 6mm 8mm 10mm 12mm