Duratech Survey Spike – 12″ Smooth Brite Steel Duratech 12″ survey spikes offer maximum reach and stability for field marking and staking in demanding surveying, construction, and utility applications. The bright, smooth steel finish provides excellent visibility and durable performance in outdoor conditions. Supplied in 50 lb boxes, each box contains approximately 130 spikes, making them ideal for deep staking or long-term site layouts. Key Features • 12″ length – extra reach for deep or uneven terrain • Smooth, bright steel construction – corrosion-resistant and durable • Easy to drive into soil, gravel, or soft surfaces • Supplied in 50 lb boxes (≈130 spikes) for efficient deployment • Suitable for surveying, construction, and utility applications