Features: OOTDTY Easy to carry and use, convenient for exercising at home, gym, or outdoors. Made from durable Q235 steel material, it has good durability and stability, and can withstand the use of regular fitness training. The weight stack locking pin is light and easily for you to insert and remove, convenient for your daily use. The longer pin length helps to keep the weight level as it moves along bar. for quick action and reliable fastening solution. Occasion: It is perfectly accessory for gym, fitness, weightlifting, exercise, training, etc. Specifications: Material: Q235 steel Pin rod size: 10x110mm (0.39x4.33in)/10x80mm (0.39x3.15in)/8x110mm (0.31x4.33in)/8x80mm (0.31x3.15in) Package Includes: 1set Gym Weight Stack Pin Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.