Stackable pulling bloack is widely used in training, so it requires high durability and stability of the box. This upgraded pulling block is made of plywood, and the top is covered with high-density rubber, resulting in higher grip and increased anti-skid performance, which gives trainers more confidence.
-The top rubber has better skid resistance
-Height can be adjusted freely
-Size: 60x45x7.5/12.5/17.5cm
