ISIVOVE Volleyball Spike Trainer - Retractable Height 64.1-86.6 Inches, Real Ball Feel Hitting Tool for Spiking/Jumping/Serving - Lightweight Non-Slip Durable for All Levels (No Ball)

["【Versatile Design for All-Round Volleyball Training】:This volleyball hitting trainer supports serving, spiking, and hitting practice—and even doubles as a dedicated serving trainer for multi-scene use. Its elastic clamp fits size 4–7 volleyballs, compatible with most standard balls, fully covering your all-round training needs.","【Adjustable Length (63–77 Inches) for All Ages & Users】：With a flexible 63–77 inch adjustable length, this volleyball training equipment fits users of all ages seamlessly. Whether you’re a teen, adult, or casual player, it works as an ideal spike trainer—providing personalized training tailored to different heights and skill-building goals.","【Sturdy, Safe & Lightweight for All Users】:Crafted from durable stainless steel, this volleyball equipment balances lightweight design with strong load-bearing capacity. Its sponge-wrapped parts prevent scratches and bumps, making it a perfect choice for teen girls, beginners, and anyone prioritizing safe practice.","【Easy Assembly & Portable for Anytime Training】:This volleyball practice equipment assembles in minutes—no complex tools required. Compact and portable, it’s ideal for home, court, or park use, letting you practice volleyball anytime, anywhere without missing a session.","【Ideal for All Volleyball Enthusiasts】:Whether you’re a beginner learning basics or a pro refining skills, this training aid effectively elevates your game. As an essential hitting trainer, it targets key skill gaps (serving, spiking, hitting) and serves as a reliable alternative to ACU spike trainers—meeting all your volleyball training needs."]