Features: This baseball referee Clickers is make of light weight Plastic materials that can bear wear and tear. Designs with nonslip grip, this referee counter offers a comfortable hold, reducing fatigue and making it easy to maintain control and focuses during long periods of use. This referee Clickers have four wheels that display balls, strikes, outs and innings. This allows you to monitor game data smoothly and accurately. This baseball referee Clickers is palms sized and have a tapered designs that fit your hand. This baseball referee Clickers is suitable for referees who want to keep tracks of pitches and outs easily and accurately. Specifications: Component: Plastic Size: about 6x8cm/2.36x3.15inch Package Includes: 1Pc Baseball Counter Clickers note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.