Tools & Supplies › pneumatic carbide flat chisels 12mm shank Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 pneumatic carbide flat chisels 12mm shank from $21.00 Hand-forged pneumatic carbide flat chisels made in Italy by Milani.Select your chisel(s) from the drop-down menu. carbide flat 12mm shank: Select carbide flat 12mm shank 4mm 5mm 6mm 8mm 10mm 12mm 14mm 15mm 18mm 20mm Purchase Added! Hand-forged pneumatic carbide flat chisels made in Italy by Milani.Select your chisel(s) from the drop-down menu.