Product Name: Dual Core Fried Hook Spring Product specification: dual-core spring medium (5.8cm)/3cm Material: lead, stainless steel Product use: suitable for all kinds of fish schools, mainly broad fish Product features: double protection, reinforcement of a guard layer atomization, erbium group does not fall Specifications: 1. Made of stainless steel, strong and easy to use. 2. Double protection, strengthen a guard layer atomization, erbium group does not fall. 3. The surface treatment is careful. The surface of the spring is treated and polished. The surface is smooth and free of scratches, and it is not easy to rust. 4. Uniform force, shock absorption and buffering, surface pressure treatment, strong pressure resistance, not easy to deform, shorten, and break. Package Included: 1 * Nest punch