Below you can see the approximate weights of the leashes, varying based on the type of rope and carabiner used.

2.5 m | 245-275 g
3 m    | 275-310 g
3.5 m | 305-340 g
4 m    | 335-375 g
4.5 m | 365-405 g
5 m    | 395-440 g