Features:

  • M6 thread clamping knob black plastic hand knob star shape knob handle for machine tool.
  • Knob handles are made of high quality plastic for durability and long service life.
  • Star shape:great for comfortable hand grip.
  • M6 thread：universally fit and can be used for most types of machine tools.
  • Widely used for mechanical equipment, instrument and apparatus, food and industry equipment.
As advertised...

As described...not a big fan of metric nuts and bolts but the pop a shot came with metric fasteners. I used these on the backboard to remove it more easily and they worked very well.

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