Are There Different Kinds of Chisels?- firmer socket chisels ,Firmer chisels can be used to shape a piece of wood into a rough form before it is crafted in finer detail. These are durable hand tools and strong enough to withstand the force of being struck with a mallet. A firmer chisel in good condition is capable of removing big pieces of wood in a single stroke.Firmer chisels - Startfirmer chisel Polished blade, ultra-fine finishing on the bottom round handle ash. R1010.XX. firmer chisels Set 6 pcs Polished blade, ultra-fine finishing on the bottom round handle ash 5 pcs window carton box. R13102.XX. Firmer chisel, single, Fine-honed blade 2 part plastic handle with impact button.