You will probably require around 4 Supports For an average length of shelf the more supports you add the more weight the shelf will be able to
Strong Shelf Supports Pegs Pins Plug Stud 3,4,5,6,7mm Kitchen Cupboard Cabinet
Strong Shelf Supports Pegs Pins Plug Stud 3,4,5,6,7mm Kitchen
Strong Shelf Supports Pegs Pins Plug Stud 3,4,5,6,7mm Kitchen
5MM HOLE SHELF SUPPORTS STUDS PLUG IN BRIGHT STEEL PEGS PINS
Antner+5mm+Shelf+Pins%2Fpegs+Duckbill-shaped+Nickel+50+Pack for
Shelf Supports With Plastic Cover can be used for Glass Shelves. You will probably require around 4 supports for an average length of shelf. 80 kg
12 x STRONG 4,5,7mm METAL SHELF SUPPORTS PLUG IN STUD PINS PEGS CABINET CUPBOARD
STRONG SHELF SUPPORTS Pegs Pins Plug Stud 3,4,5,6,7mm Kitchen
SHELF STUDS PEGS Supports 3mm 4mm 5mm 6mm & 7mm Kitchen Cabinets
SHELF SUPPORT Studs Pegs Cabinets Bookcases 3mm 4mm 5mm 6mm 7mm