Note - Always tighten the thumbscrew knob securely to any movement of the fixed assembly. Do not over-tighten the knob as this may damage or strip the threads in the mating assembly. Replace the knob if necessary. Material - Zinc plated carbon steel threaded studs on knobs ensure durability, strength, functionality and wear resistance. Premium plastic clamping knobs provide durability, a smooth surface and comfortable grip. Features - The tightly-in metal insert are machine-injected at high temperatures to securely connect the parts together, easy to install. T wing knobs are easy to grip and turn by hand, providing leverage and comfort, making it easier to tighten or loosen the knob. Multipurpose Use - These tee wing screws are good for various applications requiring quick adjustments, such as woodworking, machinery, equipment assembly, lathes, drill presses, packaging, printing equipment, and fixtures, making them versatile for different industries and equipment types Durable Thumb Screw Knobs - Constructed with zinc plated carbon steel threaded rods for durability and wear resistance, these good plastic clamping knobs provide a smooth surface and comfortable grip 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. Brand JYABSLNAJ Color M5 Model JYABSLNAJ Size Name 36mm*20mm Unit Count 1.0 Count Item Weight 50 Grams Part Number JYABSLNAJ Manufacturer JYABSLNAJ Number Of Items 1 Number of Pieces 1