100% cast iron Imported 40LB SET OF 2 DUMBBELLS: Yes4All dumbbells adjustable weight includes TWO 14x 1 handles, FOUR spinlock collars, FOUR x 5 lb plates, FOUR x 3 lb plates; Customize your workout intensity with this 40lb dumbbells set of 2 DURABLE & LONG LASTING CAST IRON: Made with heavy-duty cast iron & protective coating, these adjustable 40lb to 200lb dumbbells set are built to last; Our dumbbells set of 2 prevents rusting and chipping for reliable use NON-SLIP & COMFORTABLE GRIP: Ergonomic handles of adjustable dumbbells provide stable & non-slip grip even with sweat hand; Firm diamond knurled textured chrome dumbbell handle allows longer workout sessions SECURED DUMBBELL WITH INCLUDED COLLARS: Enjoy efficient workout session without worrying about looseness; Stay focused on targeting various muscle groups effectively with our adaptable dumbbells - adjustable weight plate set of 2 VERSATILE USE - Use this dumbbell set for a full body workout, including ar