JK Speed Bag Swivel with 360° Ball Bearing 1.Super smooth 360° ball bearing allows speed bag to move effortlessly,allowing the speed bag to move in any direction when Punching .Provide perfect training. 2.Low friction design is engineered for maximum speed,This U-hook swivel Boxing Speed bag accessory is very important for your training sessions 3.Letting your bag perform at its best, the U-hook swivel delivers a lightning fast and accurate rebound. As such, it allows you to maintain your rhythm and make accurate punches. 4.Size :Fits All Speed Bags ,440g, Base is 9.5cm/3.7inch 5.Easy install,the design makes it very easy to install,Please refer to the picture

5.Easy install,the design makes it very easy to install,Please refer to the picture. 4.Size :Fits All Speed Bags ,440g, Base is 9.5cm/3.7inch. 3.Letting your bag perform at its best, the U-hook swivel delivers a lightning fast and accurate rebound. As such, it allows you to maintain your rhythm and make accurate punches. 2.Low friction design is engineered for maximum speed,This U-hook swivel Boxing Speed bag accessory is very important for your training sessions. 1.Super smooth 360° ball bearing allows speed bag to move effortlessly,allowing the speed bag to move in any direction when Punching .Provide perfect training.

Product Dimensions: 3.7"W x 3.7"H. Age Range (Description): Adult. League: MMA. Outer Material: Stainless Steel. Item Weight: 460 Grams. Color: Stainless steel color. Brand: Healthing. Sport: Boxing. Size: Base is 9.5cm/3.7inch. Date First Available: June 20, 2021. Best Sellers Rank: #983,977 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #326 in Punching Bag Hangers. Customer Reviews: 3.7 3.7 out of 5 stars 5 ratings 3.7 out of 5 stars. : B097LL58M3. Sport Type: ?Boxing. Size: ?Base is 9.5cm/3.7inch. Outer Material: ?Stainless Steel. Manufacturer: ?JING KUN. Color: ?Stainless steel color. Brand Name: ?Healthing. Item Weight: ?460 Grams. Item Dimensions LxWxH: ?3.7 x 3.7 x 3.7 inches. Package Weight: ?0.51 Kilograms. Item Package Dimensions L x W x H: ?5.28 x 3.5 x 3.27 inches.