This Dexter Russell 02060 Insulation Knife 1376HBR 6" is popular in the insulating trade. It may cost more, but it lasts much longer.
Dexter Russell 012G-6 6 Beef Skinning Knife w/ Beech Handle, Carbon Steel
Dexter-Russell 02060 Insulation Knife 1376BR 6
This Dexter-Russell 06010 Sticking Knife 6 Sticking Knife has a double edge . The blade edge is hand-ground and honed to ultimate sharpness
Dexter-Russell 06010 Sticking Knife 6
Dexter-Russell 6-Inch Skinning Knife: Chefs Knives: Home & Kitchen
Dexter-Russell 02060 Insulation Knife 1376BR 6
Dexter Russell SB12-6 SANI-SAFE® 6 Skinning Knife w/ Polypropylene White Handle, Carbon Steel
Dexter Russell 012-6BU Traditional (04351) Butcher Knife, 6, high-carbon steel, beech handle : Home & Kitchen
Dexter-Russell 02060 Insulation Knife 1376BR 6
Dexter Russell 41842-6 6 Beef Skinning Knife w/ Beech Handle, Carbon Steel