common polishing Nails 1..Dia:BWG8~BWG13 2.Size:50 mm~ 100mm (2"~4") 3.Material: Q195 or Q235 4.Finish:Galvanised or HDG COMMON POLISHING NailsSpecsModel:10#,13#,16#,20#,25#,30#,35#,40#,45#,50#,60#,70#,80#,90#,100#,110#,120#,130#,150#... Length:10mm-200mmShank Diameter(mm):0.90--6.5BWG: 4-20Material: Q-195-Q235 low carbon steelShank: plain, smooth, twistedFinish: bright, elcctronic galvanized, ...