Honing head type H101 is a manually adjustable honing head Honing bore 66-140, 4-jaw construction, aluminium alloy Suitable for small batch honing Can be fitted to honing machines and rocker drills H101 honing head body 1pc 4 extra large sanding bar holders 100*12*12 common abrasive bars 16 pieces (8 180#, 8 280#) 1 universal connecting rod 2 additional springs This product weighs around 4kg including packaging.