Develop speed, quickness, coordination and agility with the Authentic RDX SPARK 3 Speed Rope. This training tool is sure to evoke high-performance game days. RDX Spark 3 jump rope features foam handles, ball bearing and non-pvc covered steel cable versatile action. Easy swivel design for unrestricted rope movement. Non-pvc covered steel cable Versatile, tangle-free 8.5 ft long steel cord for durability and flexibility No-slip grip ergonomic handles for superior comfort Cord length. Heavy duty yoke connection ABEC-3 ball bearing for twist-free action.