400-Pack Black Screw-In Electric Fence Ring Insulators for Wood Posts with 1 Insulator Socket Tool — 3.58 x 1.5 x 0.24 in

Package contents: 400 black screw-in electric fence ring insulators plus 1 insulator socket tool. Each insulator measures approx. 3.58 x 1.5 x 0.24 inches / 9.1 x 3.8 x 0.6 cm; the insulator socket tool is 1.65 inches / 4.2 cm. Built from durable PP and hard galvanized steel, these insulators offer high hardness, effective electrical insulation and strong resistance to rust, sun and rain, while resisting breakage and deformation. The notched, self-tapping design allows for quick, self-locking installation into wooden posts for stable outdoor use. Designed for electric fences and fence ring posts, they provide reliable insulation and improved durability against sunlight and frost, helping keep people, pets and wildlife safe. Ideal for a variety of applications including horse fencing, dog fences, multi-wire electric fencing and portable cattle fences, as well as protecting crops, orchards, gardens and business perimeters.