"The Pitbull\u00ae Fixture Clamp is very well known for its low profile and positive down force. It is now available as a modular clamp in two styles. The slotted Modular Pitbull\u00ae Clamp with a step offers increased versatility through its unique...
"Steel serrated soft jaws to suit a 6 Inch power chuck. Jaws are manufactured from 080M15 Steel. Good Quality of of material allows for machining with a good finish."