Thumb Lever Screw 16pcs M4 Thread Thumb L-Shaped Handle Lever Wing Nut Knob Screw for 15mm Rod Support(M4x20 L Type Black)

Applications - Thumb screw knobs with hand bolts are commonly used in applications that require frequent and quick adjustments or tightening. Widely used in lathes, drill presses, packaging and woodworking machinery, printing and industrial equipment, and fixtures.Material: aluminum alloyQuantity: 16pcsNote:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.

• 【Material】Screw handles crafted from premium materials for enhanced durability and rust resistance
• 【Design】Spring-loaded mechanism allows the handle to be extended and rotated to a more ergonomic position after tightening. Single-wing design enables tool-free tightening of knobs, making it widely applicable for photographic equipment
• 【Installation Instructions】Tool-free installation. Simply insert the screw directly into the component requiring fixation and rotate the handle to adjust
• 【Applications】Enables secure fastening connections, widely used in furniture fittings, photographic equipment, electronic devices and similar fields
• 【Advantages】Features rust resistance and robust durability. Boasts a bright, eye-catching finish. The spring-loaded adjustable knob screw can be pulled out or rotated to a more comfortable position after tightening.