... ,270,320,370,420,470mm (Lengh) 3)Finished:powder coa U shaped bracket 1)Material: Steel 2)Size: 170,220,270,320 ... slotted wall upright. It can be used with wooden shelves and glass shelves in conjunction with single-sided insert holder for ... U-bracket, double-sided insert holder for U-bracket, for glass shelves with suction pad ...