1.Diameter: 4~14mm 2.Clamping way:Internal thread M5/8"-11 3.Grit: 40/45, or upon your request; Diameter/mmDepth/mmGritShank56/7/8/9/10mm30/40,40/50hexgon66/7/8/9/10mm30/40,40/50hexgon86/7/8/9/10mm30/40,40/50hexgon106/7/8/9/10mm30/40,40/50hexgon126/7/8/9/10mm30/40,40/50hexgon146/7/8/9/10mm30/40,40/50hexgon186/7/8/9/10mm30/40,40/50hexgon286/7/8/9/10mm30/40,40/50hexgon356/7/8/9/10mm30/40,40/ ...