HighlightsHigh-Strength Alloy Structural Steel - Constructed with high-strength alloy structural steel, these tree climbing spikes support up to 350 lbs for secure climbing. ASTM-F887 certified, they are corrosion-resistant, high-strength, and maintain their shape over time. Ideal for outdoor adventures and tree maintenance, they provide stable support for safer and more efficient climbing.Comfortable and Durable - The climbing spurs feature a triple-layer composite microfiber padding that meets