Extensive and top quality drill and bit assortment in a new type of folding plastic case for almost all screwing and drilling work the cases new type of folding function means that this large assortment can be stored compactly but nevertheless is quickly to hand each drive tool and each drill has its own space and this provides extra quick and direct access contents 13 hss drills rolled tin coated 15 65 mm 13 hss drills polished 15 65 mm 10 masonry drills 3 10 mm 2 each of