"This metal ac fin cleaning tool and brush set will work longer and be more dependable than a plastic fin comb. The fins on the air conditioner will cut the plastic fin comb but not the metal fin tool Fin Comb Material: Aluminum alloy Stainless steel. Silver and white. Total length: approx 135mm/5.51"". Comb size: approx 58X25mm/2.28X0.98"" Note: Transition: 1cm/10mm/0.39inch. Please allow 0-5mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors the picture may not reflect the actual color of the item."