Powerbuilt Metric Ball End Hex Key Set 9 Piece SKU: 236017 MODEL: 640082HS Error. try again later You've successfully joined the club $ 25 .47 each Mitre 10 SAvailable at selected stores. Check your local store for details Variants Includes 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm. For loosening and tightening hex head screws. The ball end allows use at angles up to 25° and greatly increases versatility. Features and benefits Heat treated, precision machined, chrome vanadium steel keys slide into an indexed plastic storage case.