Makita SDS-plus Drill Bit (2-cutter)It's what's INSIDE that counts. Diameter (mm) Working Length (mm) Total Length (mm) Price 4 42 110 75. 00 5 92 160 75. 00 5. 5 92 160 68. 00 6 92 160 68. 00 6 142 210 80. 00 6. 5 92 160 80. 00 7 110 160 80. 00 8 92 160 80. 00 8 142 210 100. 00 8 192 260 100. 00 9 42 110 100. 00 9 92 160 100. 00 9 142 210 100. 00 9. 5 142 210 100. 00 10 92 160 100. 00 10 142 210 108. 00 10 192 260 108. 00 10 242 310 145. 00 11 92 160 145. 00 12 92 160 145. 00 12 142