... by hooks. There are safety locks to fix beams and uprights tightly, protecting beams from dropping when loading goods with forklifts. The ... . Steel panels, wooden panels and decking are also available for putting on beams instead of pallets. Pallet racking is the most common ... K90,K100,K110,K120,K140,K150 Sectional sizes of step beams include:PK80,PK100,PK120,PK135,PK150Pallet support bar: regular type ...