![Electro Power Super Screw Insulator - 25 Pack](http://www.mccorryagri.com/cdn/shop/products/Electro_Power_Super_Screw_Insulator_{width}x.jpg?v=1563285013)
Pack 25
The robust insulators with metal cores
With continuous solid 6mm support
Twice as easy to screw in as standard supports; the wood is cut not displaced
No need for pre-drilling for hard wood
Far less fracturing in wood when screwed in
Impact resistant plastic