是金属套，可在叉上滑动并锁定到位，从而可以处理更长的负载。扩展名不得比原始货叉长50％以上（对于超过5,000 kg的卡车，扩展名不得超过40％），并且所承受的负载不得使扩展名悬于其外。安装扩展件后，剩余容量将减少。
类型：

• •U型带脚跟带

• •箱形通道-主要用于较大的负载

Are metal sleeves which slide on to the forks and lock into place enabling longer loads to be handled. The extension must not be more than 50% longer than the original forks (40% for trucks over 5,000 kg) and the load carried should not overhang the extension. Residual capacity will be reduced with extensions fitted.
Types:

• • U-channel with heel strap

• • Box channel - mainly used on larger loads