Welcome to my store, we have many kinds of price products, we launch new products every day, please follow my store and pay more attention, for more products, Please click on the seller information to enter our store to buy, we hope give you a pleasant shopping experience. Thank you and have a nice day! Description : M4 17mm maintenance thumb screw knob for rod clamp rail block DSLR photography . It is spring loaded , and can be pulled out and turned to a more user friendly position after being tightened . Made of aluminum alloy , durable in use . T - shaped Design : Convenient and comfortable adjustment . You will not need spanner with wrench csrew when you fix your device . Specification : Material : Aluminum Alloy Size : Approx . 3 . 8 × 3cm / 1 . 50 × 1 . 18inch Package Includes : 1 Piece T - Shaped Handle Screw Note : Please allow a slightly errors due to manual measurement . Due to the difference between different monitors , the picture may not reflect the actual color of the item . Thanks for your understanding and attention .M4 Handle Screw;T-shaped Handle Screw;Adjustment Tighten Locking Screw;M4 Adjustable Screw;Handle Thumb Lever Screw;M4 Rotating Knob Screw;Adjustable Knob Screw;Retractable Handle Screw;M4 Screws 17mm;Anti-shedding Knob Handle Screw
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