... Caster Series AA: PPR Reinforced Industrial Caster(3.0mm) Ball Bearing:3", 4", 5" BB: Polyester PU Reinforced Industrial Caster ... 70mmx55mm Iron "T" hinges without screws: 3"-10" Keyborad slide: thinckness 1.1-1.2mm;12",14" clamp on ... ,300,350,400,450,500,550,600 Special drawer slide: thinckness 1.0-1.2mm; 250,300,350,400 ... ,450,500,550,600 Hook on slide: 1.0-1.2mm; 250,300,350,400,450 ...