Mitee-Bite? Dyna-Force? Replacement Clamp Insert For 20mm Dyna-Force? Clamp, With Serrated Clamping Jaw. The majority of the Dyna-Force? clamp is below the surface of the fixture which provides excellent clamp support and makes for a very low profile. The clamp jaw slides on an angle for positive downforce. Incredible clamping and hold down power. Low profile, compact design. 17-4 PH stainless steel. The clamp jaw is available with smooth or serrated jaws. Clamp comes assembled with alloy steel screw. The support surface of the Dyna-Force? clamp can be installed flush with the fixture plate or raised to hold the workpiece off the fixture, enabling drill-through. Mitee-Bite? Part #28482