Viega cutter knife 625207 with blade, for cutting insulation boards
6” INSULATION KNIFE MILWAUKEE 48-22-1921 - Tools
ALLEX Insulation Knife Wood Handle Japanese Stainless Steel 8 Inch Long Cut, Insulation and Styrofoam Cutter with Sheath, Serrated Sharp Duct Knife Tool, Made in Japan : Amazon.co.uk: DIY & Tools
TOUGHBUILT TB-H4S-40-IK-2 Insulation Knife + Holster - ToolStore UK