Hand crank blower has a strong structure, small size, light weight, large wind and beautiful appearance Air duct diameter: 47 mm / 1.85 mm No battery, no additional firewood required Hand crank blowers are not easy to damage, wear-resistant and high temperature resistant Offers plenty of convenience when lighting fire for charcoal grill, barbecue, campfire and fireplace, ideal for barbecues and outdoor picnics, Manufacturer: hogtnd