TRW series mini linear guides are suitable for small automation equipment,Website:http://www.chtrmotion.com, widened type (rail width 14mm-30mm).TRW series miniature linear guides are small in size, light in weight, precise in positioning, low in noise, smooth in operation, simple to install, Widened rail design for maximum torque load capacity for single-axis use.TRW miniature linear guideways are Suitable for miniaturized equipment.ModelHH1NW1W2W3L1L2L3L4MxdH3WeightTRW7C91.95.52519331.21021-M3x31.820gTRW7H91.95.525193411930.8-M3x31.829gTRW9C122.9630214.539.31227.5-M3x32.440gTRW9H122.9630233.550.72438.5-M3x32.457gTRW12C143840286441531-M3x3.53.276gTRW12H143840286592846.3-M3x3.53.2111gTRW15C164960457.555203960M4x4.53.2140gTRW15H164960457.574.53558.379M4x4.53.2204gData unit is mm