PrecisionGeek BIG Black Steel Spikes M6 20mm dia Set of 4 pcs

📏 Full Dimensions: Each spike measures 37 mm total length, with 20 mm cone diameter and includes a 15 mm M6 threaded shaft — precision CNC-machined for accuracy Complete 4‑Pack: Includes four heavy-duty steel spikes Blackened Steel Construction: Made from durable 11SMn30 steel, finished with blackened/blued oxidised coating for lasting resilience and refined appearance Effective Vibration Isolation: Cone-shaped spikes minimize contact points, reducing vibration transfer and enhancing audio clarity Tool-Free Installation: Simply screw into existing M6 speaker, stand, or subwoofer feet — no drilling or modifications needed. DIY & Audiophile Ready: Ideal for HiFi systems, studio monitors, soundbars, floor-standing speakers, and subwoofer upgrades. 🇪🇺 Produced in EU: Fully CNC-machined, blackened, anodised, and quality-inspected in Europe using Star CNC machines — ensuring traceable, premium craftsmanship