- easy one touch open/close
- advanced corrosion resistance
- strong handles
- stays in adjustment
3-in-1 Lineset Cover Cutter, an easy-to-use tool designed to cut air conditioning and refrigeration lineset covers. The 3-in-1 Lineset Cover Cutter cuts cleanly, and is recommended for lineset cover models, Slimduct SD-77 2.75", SD-100 3.75", & Fortress.