【Aluminum head】Material: strong and durable nylon thread, rope length: 2.4mm. The housing is made of high quality die-cast aluminum. 【Double Wire Spool】 For cutting and thinning, it is a multi-functional gardening tool, ideal for gardeners. You can use different sizes or thicknesses of cutting line. 【Easy to use】Plug and play, just squeeze. Use automatic threading to automatically adjust the threading cutter head. 【Easy to replace】 Threads can be quickly replaced with screws, allowing you to continue working quickly and easily. This threaded head fits almost all brush cutters. 【Wide Application】The brush cutter cutter head fits all common brush cutters with left-hand threads. It's great for mowing the grass. Product Description Aluminum Cutter Head Lawn Mower Double die/spool/die with auto tip Economical housing, also fits many M10 thread assembly equipment Dual nylon line spool with twin nylon line and auto tip is perfect for mowing and weeding. This high quality replacement or high