1.6pcs/set core bits 2.high quality with reasonable price 3.material:diamond 4.duarable in use

MODEL NO:CR-XFDC1102

Drill type and size:

core bits 127*170mm 1pcs

core  bits 117*170mm 1pcs

core bits 65*170mm     1pcs

core  bits 52*170mm    1pcs

core bits  38*170mm   1pcs

a taper pilot drill 10*200mm  1pcs

6*50mm drift key

sds thread adaptor  1*240mm 1pcs

hex thread adaptor  12*240mm 1pcs

sds thread adaptor  10*115mm  1pcs

sds thread adaptor   10*240mm   1pcs

best quality diamond core drill set