this knife can be screwed to the holders, handles and discs JLBM20, JLBM30PA, JLBM50PA, JLBM60PA et JLBM100. Manufactured from high-strength treated steel, the JLB knives allow precise cutting of discs in soft materials such as gasket paper, foam, cardboard, leather, felt, cork, rubber, plastic, pulp, etc. The knives can be manually hammered on a JLBM20 Using cradle or with holder (JLBM30PA or JLBM53PA), can also be installed on a hand press with a JLBM50PA, JLBM60PA or JLBM100 cradle, the JLBM30PA and JLBM53PA handles can also be placed directly under a hand press