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A-KARCK Adjustable Sled Trainer for Sprinter Speed Training, with Adjustable Weight Sandbags 10-30 lbs Ideal Sprint Training Bag

Make sure this fitsby entering your model number. SANDBAG SLED TRAINER - Adjustable weight helps sprinters, football players to improve power, speed, mobility, and agility. The simple structure allows you to quickly become familiar with the equipment to meet training needs. 360° BELT RING - We widened and thickened the belt. The 360° adjustable belt meets the sports training of all family members. Not only for daily sprint training, but also for fun games at family gatherings.