Check the listing for details. 10pcs M6 x 16mm Male Thread Tee Wing Knobs Thumb Screw Clamping Knobs Grip Black. Condition: New. Listed at 15.05 USD. Specifications:Standard Thread Size: M6 (1mm Pitch)Thread Length: 16mm / 0.63"Tee Wing Head Width: 36mm / 1.42"Total Length: 29mm / 1.14"Knob Style: TeeMaterial: Carbon Steel, PlasticFinish: Zinc PlatedColor: BlackPackage Content : 10pcs x Tee Wing Knobs Thumb ScrewsDescriptions:Zinc plated carbon steel threaded studs on T knobs ensure durability, strength, functionality and wear resistance. Premium plastic clamping knobs provide durability, a smooth surface and comfortable grip. Sturdy and durable thumb screws for the ultimate in adjusting and tightening control.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.