Isoblack 3-pack
ISOBLACK 3 PACK Max load-capacity approx. 15kg (33lbs) Additional compression-spring set increase the maximum load-capacity to approx 33kg (73lbs)
Isoblack
Isoblack 4 pack
ISOBLACK 4 PACK Max load-capacity approx. 20kg (44lbs) Additional compression-spring set increase the maximum load-capacity to approx 44kg (97lbs)