... robust plastic case with sturdymetal latches.The set contains ;6 X Extreme masonry bits. (4, 5, 5.5, 6, 7 ... .5 and 7mm).3 X Flat bits. (12, 18 and 25mm).29 X 25mm PZ2 bits.29 X 25mm PH2 bits.1 X 50mm PZ2 bit ... .1 X 50mm PH2 bit.1 X 50mm SL2 bit ... .1 X Double ended ...