Description: 【Size】: Base Diameter is 6.3". Fits 1.8" to 3.9" Outside Pipe Diameter. Package includes 1 Tent Stove Jack, and 1 Wrench. 【Material】: Our tent stove jack is made of high quality silicone and stainless steel, resistant to high temperature of 280 degrees, wear resistance, and very durable to use. 【Function】: The anti scalding stove jack for the firewood stove tube in the tent can prevent tent from being burned. It can your tent from the hot chimney pipe, keeping it safe from damage. ideal for use as an outdoor tent. 【Fine Workmanship】: The hot tent stove jack is easy to fix to a tent. Great craftsmanship to effectively prevent outdoor fire. 【Wide Applications】: The tent stove jack is great for use with bell tents, tipi, yurts, cabins, sheds, boats, boathouses, summer homes, workshops, garages, and anything else that needs a flue outlet. Specification: Material: Silicone, Stainless Steel Size Chart: 16cmx16cmx9cm/6.30inchx6.30inchx3.54inch; mouth diameter 5.5cm/2.17inch Package Includes: 1 Tent Stove Jack 1 Wrench Note: Please allow slightly errors due to manual measurement and different monitors.