Cleaning brushes for car engine, 16pcs detailing set for exhaust pipes1、5 different sizes of detail brush, ideal for cleaning all small cracks. The hair are firm enough to agitate yet soft enough that it wont harm sensitive surfaces. Hard plastic handles do not damage fine surfaces such as painted and polished surfaces. 2、Steel wire brush is made of brass, stainless steel and nylon, which is hard enough to completely clean rust and detail. Premium scratch‑free car wash mitt keeps your car clean without scratching it. 3、Ultra soft, non‑abrasive microfiber towels can soak up water instantly and will not scratch paints, coats or other soft surfaces.Absorbent microfiber drying towel is made of highly refined loop woven microfiber and silk banded edges. Effective cleaning under wet and dry conditions. 4、Long handle car wheel brush is ideal for removing stubborn dirt, road dirt and brake dust. Soft bristles do not cause scratches yet strong enough to clean the brake dust and dirt off the wheels. The size is very suitable for the caliper, and the sturdy performance is good. The short‑hand wheel and tire brush is ideal for scrubbing the car wheel and the dirt and dirt on the rim. 5、Car ventilation brush is soft and ergonomically designed, easy to operate and clean the air-conditioned exhaust port, keyboard, shutters. The foam applicator can absorb dust and particles by squeezing and does not directly rub against the car body surface. This is a good helper for cars waxing.