Precision Tracing: Detects underground ducts and pipes with diameters from 1/2" to 1-1/2". High-Quality Construction: 3/16" fiberglass rod with a 22 AWG copper trace wire for enhanced durability and accuracy. 100 Feet Reach: Offers sufficient length for efficient duct mapping in various scenarios. Deep Detection: Locates buried ducts at depths up to 10 feet. Complete Kit: Includes a versatile accessory kit for added convenience and efficiency. Ideal for Professionals: Perfect for telecom, electrical, and utility applications requiring accurate duct locating.