Eklind metric folding hex- allen keys x 6 in a long metal compact set which easily fits in your pocket. Eklind keys are American made using Eklind Alloy Steel to exceed ANSI standards. Simply fold a key out to a right angle to get maximum leverage and fold a key out completely to operate like a screwdriver. Includes 3.0, 4.0, 5.0, 6.0, 8.0, 10mm keys.