... . great training tool to increasing speed 2.cordination to your game. 4Speed Rings ... 4 yellow). 4. great training tool to increasing speed 5.cordination to your game. 6.package :5sets/ ... carton 7.size of carton:44x43x43cm/5sets Speed Rings Founded in 1987, Zhejiang Yongkang Yatao Metal ... training equipments,cones,goals,skate shoes, roller shoes, small whirlwind pulleys and beach chairs. Backed by a ...