Three carabiners included (1 each size #2, #3 and #4). Specifications: Dimensions (#2/3/4): 50 x 22 x 6mm / 68 x 30 x 7mm / 89 x 40 x 8mm Weight (#2/3/4): 7g / 14g / 30g Maximum load (#2/3/4): 4.5kg / 11kg / 34kg Material: Stainless steel WARNING: Not for use where disengagement could result in bodily injury or property damage. Not for climbing.