Silver ball-shaped clamping knob with M4 threaded hole for manual equipment adjustment.

Black ball-shaped clamping knob for M4 threaded holes in machinery and equipment.

Black M4 threaded clamping knob with knurled grip for manual equipment adjustment and control.

Black ball-shaped clamping knob with M4 thread for equipment adjustment and locking.

Black threaded clamping knob with lobed grip for manual equipment adjustment and control.

Silver ball-shaped clamping knob with M4 thread for machine and equipment adjustment.

Silver ball knob for machinery and equipment manual control and adjustment.

Black knurled clamping knob with M4 threaded stud for equipment adjustment and securing.

Stainless steel ball clamping knob for quick-release manual adjustment on machinery and equipment.

Black knurled clamping knob M4 for securing machinery and equipment fastening.

Silver ball-shaped clamping knob with M4 threaded hole for machine assembly.

Black metal clamping knob with knurled grip for M4 threaded equipment and machinery assembly.

Black threaded clamping knob with knurled grip for securing equipment and machinery parts.