The Bondhus 12589 is a GorillaGrip Set of 9 Hex Fold-up Keys. They Bondhus Hex Fold-up Keys range in sizes from 5/64-1/4-Inch. Features:Hex sizes 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, and 1/4"The color-coded GorillaGrip® fold-up handle is 40% stronger than steel handlesTools are Made in the USA with Bondhus proprietary Protanium® steel and are up to 20% stronger than competitor toolsPatented Bondhus® design allows selection of one blade at a time, without the need for annoying mechanisms to release a blade.Blades have a positive stop at 270 degrees open.The convenient flip & turn feature permits screw insertion or removal when working near an obstruction – without the need to continually remove and reinsert the tool into the screw head.GorillaGrip® foldups do not have ball end tips smaller than 5/32 and 4mm, since the handles could easily over-torque the blades and risk breakage.ProGuard™ dry finishWhat's In the Box:Bondhus 12589 GorillaGrip Hex Fold-up Keys Set 9-Piece