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 02060 Insulation Knife 1376BR 6
Dexter-Russell 02060 Insulation Knife 1376BR 6
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Dexter-Russell 02060 Insulation Knife 1376BR 6
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