The Spring is used to Provide Flexibility to the fence wire. It is used in solar fencing systems for farms and Zatka machines, which reduce the breakage tension in GI wire. Designed for tightening wires in farms or gardens Compatible with solar fencing systems. This Fencing insulators can be used for a variety of wires, including High-tensile steel wires, Poly wires, Clutch wire, Aluminum wires, Ropes, Electric fence tapes