Description: Featuring a non-slip design and grooved surface, this product provides maximum grip and friction to make training efficient. Ideal for increasing forearm muscles and grip strength, and improving endurance and explosive power, it is perfect for grip training and rock climbing training. It is made of high-quality polyester cotton, nylon, steel material. The diameter of the ball is 7.2 cm. The length of the carabiner is 9 cm, the width is 4.3 cm. The length of the webbing strap is 21 cm, the width is 8.5 cm. It is suitable for pull ups, hang weights and do farmer carries, bicep curls, lat pull downs, and more. Item Name: Pull Up Ball Material: Polyester Cotton, Nylon, Steel Features: Compact, Solid, Wear-resistant Size Details: Ball Length: 7.2cm/2.76" (Approx.) Carabiner Size: 9cm x 4.3cm/3.54" x 1.69" (Approx.) Webbing Strap Size: 21cm x 8.5cm/8.27" x 3.35" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Webbing Strap 2 x Carabiner 2 x Pull Up Ball