Strength Training Equipment Exercise & Fitness, Sports & Fitness, Sports & Outdoors, Strength Training Equipment, TDS TDS Squat Box Review by BrokenBoy July 10, 2018 No Comments This fits your . Make sure this fits by entering your model number. Top size: 18″ x 18″ Solid non-skid ribbed rubber top. Heavy duty construction. Specially made for heavy squatting. Size: 20″ x 18″ – 13 to 16″H