Set of 4 collars, .75 lb each. Add to your 2.0lb Knockout Plus Cores to build a fully adjustable dumbbell — no need to buy multiple weight sets. Slide a collar onto either end of your Egg Weight core to instantly change your load, so one set of cores can train at multiple weights.

Sold as a set of 4, these .75lb collars are perfect for fine-tuning your resistance in smaller increments, whether you're building strength gradually or switching up your workout mid-session.