Flat Hot Knife Blade Material (12in, 3pk) are customizable blades that attach to Wind-lock's 6in sled for architectural foam shapes. Sold in pre-cut packs or rolls, the user can easily bend and mold blades to fit their needs. 
Wind-Lock’s Flat Hot Knife Blade Material are customizable blades designed to be used with the Wind-lock Katana & G2 Hot Knives to cut architectural foam shapes. Made of nichrome alloy 80/241.