Features 1、High quality rubber is used as the liner to ensure the elasticity, stability and durability of the ball. 2、The outer layer is made of high quality chemical fiber, which greatly improves the wear-resistance of the ball surface. 3、Tennis is standard in size and diameter, specially used for training and competition, and basically suitable for all kinds of fields. 4、Good elasticity---- ball falls from 2.54 m high, and the bounce range is between 130 to 140 cm. 5、Suitable for tennis competition, tennis training, or using it to train your pet. Specification Description: Our straplocks are made of high quality metal, which are very durable and lightweight to carry. These will help you reduce the pressure when you carry your guitar with a strap. The strap lock replaces your original strap pegs without any guitar modification and attaches to your strap and snaps securely into locking position. Easy to install, convenient to use. Allow you to stand, play, and move around without having to worry about the strap coming off. Perfect for acoustic, electric and bass guitar strap locking. Hope you will enjoy your playing. Have a good time. Features: 1. Made of high quality metal, durable and lightweight to carry. 2. Easy to install, convenient to use, fast assembly and quick & easy release. 3. Allow you to stand, play, and move around without having to worry about the strap coming off. 4. The strap lock replaces your original strap pegs without any guitar modification and attaches to your strap and snaps securely into locking position. 5. Perfect for acoustic, electric and bass guitar strap locking. Specifications: Material: Metal Color: Silver, Black, Golden (optional) Weight: approx. 230g (10pcs) Total Length: approx. 5cm / 1.96" Widest: approx. 2.2cm / 0.86" Quantity: 10pcs/bag Package Include: 1 x 10pcs/bag Straplocks Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please in kind prevail. Package List