This WORKPRO bar clamp set is perfect for any professional or DIY project. The set includes a 300mm ratchet bar clamp and a 440mm spreader, both made of high-quality carbon steel. The clamps are designed with a quick 12-inch size and come in a striking blue colour. The item package dimensions are 44 x 24 x 3.6 cm and the weight is 920 grammes. Batteries are not included with this set. The manufacturer is Hang Zhou Great Star Industrial Co.,LTD and the part number is W001413AU. This set is ideal for those in need of a reliable and durable bar clamp for their project.