The Bahco BE-9770 Metric Long Ball End Hex L-Key Set is ideal for driving bolts and screws that have hexagonal sockets. Long arms ensure excellent leverage, which makes driving easier. The ball ends of the keys allow the keys to be used up to an angle of 30 to the socket, whilst the hexagonal ends ensure an excellent fit into the screw/bolt head. A phosphate finish surface treatment provides outstanding surface protection higher accuracy in the tip. Supplied in a compact sleeve-case for instant selection of the required size. It allows easy storage, whilst keeping the keys together. Sizes 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm and 10mm.