Which wall fastenings for twin slot shelving?

slot shelving Fan New workshop starts here!and how to fit TWIN SLOT shelving 37K

White Price £ - £ Range CRW HRX MT PTR SX200 SX340 SX400 SX800 Twin Slot VRS

2pigs slot pg Slot Shelving Upright 620mm White Spur T -Slot Aluminium Wall Shelving SB7012 SPUR® Aluminium T-Slot 300mm bracket Ideal

2nd insured slot cooldown reduction 2 RB UK Antibacterial Twin Slot Uprights White 1220mm x 25mm 2 Pack · Anti-Bacterial Coating · Resistant to Mould & Fungus