①. The hydraulic quick coupler dust cap is designed to keep hydraulic couplers free from dust and debris. It is made of sturdy materials that are durable and safe, ensuring long-term use without easy breakage or damage. The exquisite craftsmanship makes it reliable and practical for various needs. ②. Color: yellow, red, blue, black ③. Material: Plastic ④. Size: 20.00X3.00X1.00cm/7.86X1.18X0.39in ⑤. Size: 20.00X2.50X1.00cm/7.86X0.98X0.39in ⑥. These coupling dust caps are suitable for use in hydraulic systems and other industrial fields, offering versatility and practicality. ⑦. With mini size and lightweight, these dust caps are exquisite and useful for protecting quick joints from dust and debris. ⑧. By preventing dust from contacting the surface of quick joints, these dust caps help extend their lifespan. ⑨. Made of sturdy material, these dust caps are durable and stable, providing convenience and longer use. ⑩. Quick connection allows for improved work efficiency, providing a good using experience. ⑪. Package list: 8 x Hydraulic Quick Coupler Dust Caps