Vevor Ruck Weights Cast Iron 10 lbs Pair Weight Plates for Backpack Training NewThese cast iron ruck weights are designed to add resistance to backpack training, rucking, hiking, and strength workouts. Each pair provides 2 x 10 lbs of weight in a compact plate design that fits easily into your training routine. The plates feature a textured surface, rounded edges, and smooth wide handles for a more secure and comfortable grip. They can also be attached using side holes for added workout versatility.