Butterfly-shaped fastening knob designed for quick, precise clamping adjustments. Built from strong carbon steel with a protective plastic coating and cross anti-slip grooves to hold small workpieces securely during maintenance and assembly. Key benefits Faster, simpler clamping: The ergonomic butterfly knob lets you tighten and release without tools, reducing time spent on routine adjustments. Secure hold: Cross anti-slip grooves increase surface contact and reduce slippage, so small parts stay in place while you work. Durable construction: Carbon steel core provides strength; the plastic coating protects the finish and improves grip while resisting paint peeling. Versatile for maintenance work: Designed for use on small parts and fixtures common in machinery, equipment repair, and general maintenance. Features and specifications Function: Hand-operable fastening knob for clamping, positioning, and locking small parts in place. Material: Carbon steel body with a protective plastic coating for improved grip and surface protection. Performance: Engineered to minimize slippage and allow repeatable, tool-free adjustments during service or assembly. Compatibility: Intended for integration with clamping setups, jigs, fixtures, and maintenance tools that accept a compact hand knob; suitable for small-part applications across multiple trades. Practical applications Machinery maintenance: Quickly clamp or secure small replacement parts during inspection, alignment, or repair on production equipment and motors. Workshop and tooling: Use as a hand knob on jigs, fixtures, or portable clamps to speed up set-up and adjustments on benches and assembly stations. Field service and equipment servicing: Handy for technicians who need a reliable, easy-to-operate fastener when working on pumps, HVAC units, or other small mechanical components. Why choose this knob Reduces downtime by enabling faster, tool-free adjustments. Improves grip and stability for delicate or small components. Built to endure regular use thanks to a strong steel core and protective coating. Includes one butterfly-shaped fastening knob suitable for small-part clamping and maintenance tasks.