In 1862, it started with the Greenlee brothers' barrel-making machines, then woodworking tools. Today Greenlee is the most respected and trusted source for professional grade tools when it comes to installing wire and cable. From hole making and bending to test and measurement, you can depend on Greenlee tools to outlast and outperform the competition every time.
- Sleeve for 3-1/2 and 4 inch knockouts
- 1-1/8 in. x 3 in. Punch Sleeve - 1557AA