8mm - 2 x Tool Holders L/H + R/H

HSS tool bit size - 1/4" x 1/4" x 38mm (1 1/2") M42 grade 8% cobalt
Shank size (HWL) - 11mm x 12mm x 76mm (7/16" x 15/32" x 3")
Minimum tool height - 8mm (5/16")
Distance from shank to tool tip - 32mm (1 1/4")
Clamp screw - M5
                                                                                         

The 8mm Left and Right hand Diamond Tool Holder kit includes.
 1 x Left Hand tool holder
 1 x Right Hand tool holder
 2 x M42 grade HSS tool blanks
 1 x grinding jig
 1 x 4mm Hex key
 1 x instruction sheet