There are 4 products.
Reference: MSA20SSSFCN
Brand: PMI
Model No.: MSA 20 S SS FCN Series : MSA Sze: 20 Carriage type : S square type Dust protection : SS (Bidirectional end seal+Bottom seal) Preload: FC (light prelod) Accuracy grade : N / Made in Taiwan
Reference: HGH20CAZ0H
Brand: HIWIN
Item #：HGH20CAZ0H Series : HG Heavy Load Ball Type Block Type：Square Type Model Size (mm): 20 Load Type：Heavy Load Block Mountin：Mounting from Top（4 x Threaded hole） Block：Standard Block Preload Class：Light Preload (0 ~ 0.02C) Precision Code：H
Reference: HGH25CAZ0H
Brand: HIWIN
Item #：HGH25CAZ0H Series : HG Heavy Load Ball Type Block Type：Square Type Model Size (mm): 25 Load Type：Heavy Load Block Mountin：Mounting from Top（4 x Threaded hole） Block：Standard Block Preload Class：Light Preload (0 ~ 0.02C) Precision Code：H
Reference: HGH30CAZ0H
Brand: HIWIN
Item #：HGH30CAZ0H Series : HG Heavy Load Ball Type Block Type：Square Type Model Size (mm): 30 Load Type：Heavy Load Block Mountin：Mounting from Top（4 x Threaded hole） Block：Standard Block Preload Class：Light Preload (0 ~ 0.02C) Precision Code：H
