- 4L Hole Saw Arbor
- Fits 9L-19L or 9/16"-1-3/16 In. hole saw
- For 1/4 In. or larger 3 sided shank
- Drill depth of 1/4 inch
- Thread size of 1/2 inch - 20
- Shank type of round
- Shank size of 1/4 inch
- Material of bi-metal/HCS
- Suitable for 9/16 to 1-3/16 inch hole saws