ESD magazine packs KH-3302 Best ·ESD magazine packs KH-3302 Surface Resistance <106Ω Max size for PCB ... synchronus belt drives four screws to rotate,making the movable rack wall move simultaneously and synchronously up and down.After ... fix the movable rack wall. Features accurate,flexible,convenient and practical,without displacement,falling plate or deformation.·Stackable. ESD magazine racks KH-3302 ...