Dimensions as per PB spec are as follows:
- Jaw Length: 2 1/4"
- Jaw Width: 3/4"
- Jaw Height: 1 11/16"
- Slot Height: 5/16"
- Pitch: 4 TPI
- To fit following chucks: 79, 1230-01705, 1280-01705, 1790-01605 & 9280-01705
Please enquire if any additional info is required.