Check the listing for details. Grow Tent Mounting Bars,Support Pole High CFM Kit, 2'x2'/3'x3'/4'x2'/4'x4' Tent. Color: Green, Condition: New. Listed at 32.99 USD. About this item Extendable Pole: Extendable pole with a range of 24"-48" to meet any need; The set includes 4 green support rods with a material thickness of 0.4mm; 4 lengths of 24.8” of 19mm diameter metal pipe, 4 lengths of 15.7” of 16mm diameter metal pipe Durable Material: The diameter of these metal rods ensures strong support that won’t bend or break so you can use it for years; Hooks made of PP material that are light weight but extremely durable; ABS fasteners device has good thermal stability and impact resistance Arch Design: The unique arch design of the hooks means better performance in conforming to the shape of your grow tent; adjustable and expandable with your grow space and perfect for your CFM ventilation system Anti-Rotation Design: The hooks are connected with a quick self-locking, which allows you to quickly lock the hooks and poles to prevent them from rotating during use, making the pole structure more stable without worrying about the poles coming loose Excellent Compatibility: Compatible with different pole sizes, flexible and sturdy hooks fit pole sizes from 16mm to 22mm in diameter; Compatible with different tent sizes thanks to adjustable extension poles with fasteners, great for your 2'x2', 3'x3', 4'x2' or 4'x4' tentAbout this item Extendable Pole: Extendable pole with a range of 24"-48" to meet any need; The set includes 4 green support rods with a material thickness of 0.4mm; 4 lengths of 24.8” of 19mm diameter metal pipe, 4 lengths of 15.7” of 16mm diameter metal pipe Durable Material: The diameter of these metal rods ensures strong support that won’t bend or break so you can use it for years; Hooks made of PP material that are light weight but extremely durable; ABS fasteners device has good thermal stability and impact resistance Arch Design: The unique arch design of the hooks means better performance in conforming to the shape of your grow tent; adjustable and expandable with your grow space and perfect for your CFM ventilation system Anti-Rotation Design: The hooks are connected with a quick self-locking, which allows you to quickly lock the hooks and poles to prevent them from rotating during use, making the pole structure more stable without worrying about the poles coming loose Excellent Compatibility: Compatible with different pole sizes, flexible and sturdy hooks fit pole sizes from 16mm to 22mm in diameter; Compatible with different tent sizes thanks to adjustable extension poles with fasteners, great for your 2'x2', 3'x3', 4'x2' or 4'x4' tent