Features: Industrial-grade 4-20-4 coil cord with retractable spring mechanism (4ft-20ft), perfect for repetitive movement without tangling. Smoothly extends from 4ft compact storage to 20ft full reach, ideal for workshops, garages, machinery, and safety edges controls. Ensuring stable current flows for tools and low voltages systems (up to 300.0V), paired with pre-strips ends and reinforced insulation for vibrations-resistant splicing or terminal block connection. Suitable for garage door pressure switches sensors wiring and forklift circuit modifications, while suitable for HVAC controls, and automotive setups. Provides superior resistance to grease, abrasion, and harsh weather conditions, engineered for industrial environments. Specifications: Component: PVC Specifications: 4-20-4 (retractable) Double headed length: 10cm/3.94inch Middle length: 50cm/19.69inch Conductor type: Copper conductor Conductor specifications: 18AWG Number of wires: 4 voltages levels: up to 300.0V Package Includes: 1pc Coil Cord note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.