Zenith Plastic Shelf Supports 5mm SKU: 216427 MODEL: WSD0001 Error. try again later You've successfully joined the club $ 4 .77 pack of 4 Mitre 10 Variants Zenith Shelf Supports are attractive, easy to install, and provide strength and durability. Features and benefits Brown plastic. 5mm diameter pin. Easy installation. For use on cabinets and furniture.