LENOX Bi-metal Speed Slot Hole Saws are for cutting wood and metal. With a patented tooth design and configuration you will experience a longer life span and FASTER cutting. Please reference the chart below for correct arbor selection based on the size hole-saw you are using.
|Hole Saw Size||Use Arbor Size|
|3/4'' through 1-3/8''||1L, 4L, OR 5L|
|1 1/2'' through 4 1/2''||2L, 3L, 6L, OR 7L|