Our Shipping conditions: Attention: The goods will be shipped from UK Delivery time: 2 to 4 working days Support 60 days return policy Reply within 24 hours Features: -Made of polyamide material and ABS material, durable. -Easy to install: 1. Shut off the engine and remove the cover; 2. Replace the spool valve into the trimmer head; 3. Put the trimmer cover on. Specification: Maximum length: 8.5 m Nylon rope specification: 1.56mm Material: polyamide+ABS .