A fannin gyaran fuska, littafin ƙarfafawa bututu ne ko katako mai kwance wanda ke haɗa mizanan tsaye ko tsaye, yana ba da tallafi da rarraba nauyin. Yana taimakawa wajen ƙarfafa tsarin gyaran fuska da kuma tabbatar da kwanciyar hankali da amincinsa.
Littafin ƙarfafawa na biyu / Truss / gada / Ƙarfafawa
Kayan aiki: Q235 Karfe
Maganin farfajiya: An tsoma galvanized mai zafi
Girma:Φ48.3 * 2.75 mm ko kuma an keɓance shi ta abokin ciniki
| Tsawon | nauyi |
| 1.57 m / 5'2 " | 10.1kg /22.26lbs |
| 2.13 m / 7' | 16.1kg /35.43lbs |
| 2.13 m /10' | 24 kg /52.79lbs |
