[Warm Tip]: Regularly straightening and cleaning your air conditioner with fin straightener tool increase the efficiency of your air conditioner. Fin cleaning kits are suitable for condensers, evaporators, air conditioners, etc. Different sizes of air conditioner Fin Comb and Fin Cleaning Brush as a combination can help you solve the problem at once and bring a lot of convenience to your life [Product Use]: Designed for straightening fins and coils and cleaning evaporators and condensers on air conditioners.Please note: these might not work on modern radiators that have lots of horizontal pieces and radiator fins [FCR6 Ring Fin Comb]: FCR6 Fin Comb Set for Air Conditioner (Available in 12 different sizes to meet your different needs, 6 different colors, easy to identify and organize, easy to use), Red:18 and 20 Fins Per Inch;:16 and 17 Fins Per Inch;Green:12 and 14 Fins Per Inch;Blue:11 and 13 Fins Per Inch;Yellow:9 and 15 Fins Per Inch;Orange:8 and 10 Fins Per Inch [Fin Comb]: Stainless steel fin comb teeth are approximately 2-9/25 inches deep, rugged and adjustable for looseness and tightness so as not to damage the coils.6-in-1 plastics fin comb teeth are approximately 1/4 inch deep [Broad Application]: These cleaning brushes are perfect for cleaning air conditioning units, coils,refrigerators, evaporators, fins, condensers, electrical appliances, etc. Colour:As Shown Material:Plastic+Metal Package Contents: 5 * Coil brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.