narex 853654 4 piece set of richter extra bevel edge chisel (1/4, 1/2, 3/4 and 1 inch) cryogenic treated cr-v steel hardened

To commemorate its 100 anniversary, Narex developed a new line of Richter Extra Chisels named after their founder. The Richter Extra chisels are the finest chisels Narex has produced in its 100-year history. This line of chisels are made from the finest materials available, have undergone superior heat treatment and been manufactured using the most stringent manufacturing processes. | Richter chisel blades are made from the highest quality Chrome Manganese (Cr-V) steel using traditional drop-forging methods. Blades are then hardened, cryogenically treated and tempered to achieve a minimal hardness of 62 HRc. Following initial hardening, cryogenic treatment is performed which cools the steel down to ?190 C (-310o F) using liquid nitrogen. This alters the mechanical properties of the steel at the molecular level greatly increasing its strength, toughness and wear resistance. | Subsequent fine-grinding and polishing ensure a mirror-like surface with ultra-thin sides allowing reach into very tight spaces, making them the perfect chisel for cleaning out dovetails. | Chisel handles are made of domestically and responsibly harvested European Ash known for its strength, toughness and attractive grain. The ergonomic handles are sanded and then receive a friction shellac finish for maximum protection, comfort and control. Solid stainless-steel ferrules protect the handles from splitting, and leather washers absorb the shock of mallet blows. | Set comes with the following sizes: 1/4, 1/2, 3/4 and 1 inch

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