Product Highlights
• M4 male threading rotating knob
• Thread length: 18mm 
• Spring loaded type 
• Convenient and comfortable adjustment
• Material:aluminum alloy

Product Description
• The Rotating Knob is made of aluminum by CNC machined. The specification of threaded part is M4*18mm with djustable design. It is spring loaded, and can be pulled out and turned to a more user friendly position after being tightened. 
• It's applied to lock 15mm rod clamp, DSLR handle grip with 15mm rod clamp, Rod Clamp Extender Riser Rail Block, and all standard M4 thread holes accessories, such as camera rig, cage, QR plate, shoulder support, and so on. 

Net Weight: 18 g

Package Include:
2 x M4 Male Threading (18mm long) Rotating Knob Adjustable Thumb Lever Screw (Black)
 
UPC: 792933812811