The Red Snap'rŪ Wood post extension Insulator fastens electrified wire to wooden posts without losing energy through the post and can be used with all gauges of wire. This black insulator is packed 25 per bag and includes nails.
Works with Low Impedance and Standard Duty Fence Controllers
Can Be Used with Most Fence Wire and Poly Rope
Not for Use with Poly Tape or High-Tensile Fencing