A-KC722 has 75 mm overall length. All the others have a 55 mm overall length.
A-KC506 – 70º x 5.5 mm 25 degree sharpening angle
A-KC507 – 70º x 8 mm 20 degree sharpening angle
A-KC516 – 110º x 7 mm 20 degree sharpening angle
A-KC513 – #110º x 11 mm 18 degree sharpening angle
A-KC722 – 110º x 16 mm 15 degree sharpening angle
Foredom offers 22 quality-made, pre-sharpened steel chisels. They come individually and in sets. Foredom chisels are for use in our H.50 and H.50C handpieces. They also fit other power chisel tools including those from Proxxon and WeCheer. Cutters have 18mm long tangs and 55mm and 75mm overall lengths – from cutting edge to end of tang.