Monocrystalline Diamond HFD1200 series is designed for sawing and drilling application mainly. HFD3200 series is designed for cutting and grinding application mainly. HFD1290 HFD1280 HFD1260 HFD1240 HFD1230 HFD1220 HFD3218 HFD3217 HFD3216 HFD3215 HFD3214 HFD3213 HFD3212