Tough, durable ABS body and stainless steel blade. Sharp, spear-shaped blade for accurate cuts and spring-loaded mechanism. Cuts nylon, rubber, silicone, PU, PVC, PTFE and most other flexible plastic tubing. Ideal for most types of pneumatic tube and miscellaneous hose. Tough, durable ABS body and stainless steel blade. Sharp, spear-shaped blade for accurate cuts and spring-loaded mechanism. Cuts nylon, rubber, silicone, PU, PVC, PTFE and most other flexible plastic tubing. Ideal for most types of pneumatic tube and miscellaneous hose.