1. Weight Capacity: Dumbbell converter bar withstands 200 lbs total (100 lbs per clamp); kettlebell withstands 100lbs total weight (50lbs per clamp) 2. Compatibility: Fits most standard and adjustable dumbbells (handle thickness up to 1.5", minimum length 4.5") 3. Design: Detachable, space-saving bar with anti-slip rubberized grips 4. Dimensions: 40" barbell length (adjustable for kettlebell mode), 2.5 lbs lightweight clamps 5. Color: Sleek black finish