Catalog > Consumer Electronics > Security & Alarms > Alarms > Electric Fence Nemtek Wooden Post - Insulator ring Wooden Post Insulator ring EF AI-RI40 Wooden Post - Insulator ring 40mm {AI-RI40} 5.81 ZAR inc for 1 Each 16 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview The Ring Insulator Screw is screwed into the wooden post to offset the wire from the post, and is available in two sizes: 40mm and 190mm. They can be used with steel wire or poly wire and rope. Features Screw into a wooden post to offset wire from the post Large clearance to eliminate power leakage 40mm or 190mm Can be used with 6mm steel wire or poly wire and rope Specifications MateriaL Galvanised steel screw UV stabilised hardened plastic Lengths : 40mm