Comes with Rotating Knob Adjustable Thumb Lever Screw and nut attached. Works with Foredom H.30 and H.44 Handpieces (Most common). Please contact Amaalgam if you have a different handpiece.

Also Works with Dremel 9100-21 Fortiflex Heavy Duty Flex Shaft Tool Kit.

Shipping costs additional, based on zipcode, and will be invoiced through PayPal.