Special chisels

RS 17,3 x 14,8 x 60

This kind of chisel is available in different versions:
Pointed chisel

Usable lengths: 9.8 and 17.7 inches
Flat chisel

Cutting width: 0.98 inches

Usable lengths: 9.8 / 17.7 / 22 / 39.4 inches