this knife can be screwed to the holders, handles and mounting washers JLBM20, JLBM30PA, JLBM50PA, JLBM60PA and JLBM100. The JLB knives, made of high-strength, treated steel, enable the precise cutting of slices from soft materials such as sealing paper, foam, cardboard, leather, felt, cork, rubber, plastic, fiber, etc., the knife can be manually hammered on a JLBM20 Use washer or holder (JLBM30PA or JLBM53PA), can also be installed on a manual press with a JLBM50PA, JLBM60PA or JLBM100 washer, the handles JLBM30PA and JLBM53PA can also be placed directly under a hand press