Male 16mm High Stainless Steel Heavy Ring Stretcher, Large Fitness Anti Slip Ring for Endurance Training -K+9 （50mm）
Male Stainless Steel Heavy Stretcher Ring with Key, One-Fifth Opening Anti Slip Ring for Muscle Training -K+11 （L）
Male Stainless Steel Load-Bearing Ring Stretcher with Small Hook, New Anti Slip Ring for Personal Training -K+7 （30mm）
Male Stainless Steel Load-Bearing Ring Stretcher with Small Hook, New Anti Slip Ring for Personal Training -K+7 （24mm）
Male Stainless Steel Heavy Stretcher Ring with Key, One-Fifth Opening Anti Slip Ring for Muscle Training -K+11 （XL）
Male Stainless Steel Load-Bearing Ring Stretcher with Small Hook, New Anti Slip Ring for Personal Training -K+7 （22mm）
