Brand: Chway Features: Compatible with Multiple Worx Weed Wacker Models: WG150, WG151, WG151.5, WG152, WG153, WG154, WG155, WG155.5, WG156, WG157, WG160, WG160.1, WG160.2, WG160.3, WG160.4, WG163, WG165, WG170, WG170.1, WG175, WG175.1, WG180 110 LBS Tolerable Weight: 0.065 in. diameter/ 10ft. trimmer spool provides 110 LBS. tensile strength,our premium weed eater string is stronger than the competition. Plus, its pliable and flexible design allows it to stretch and cushion on impact,making for more efficient cuts Aerodynamic Shape: The unique shape of the trimmer spools reduces drag, allowing for more efficient cuts and a smoother trimming experience.Like sharp scissors, the weed is cut with ease. This will be your right-hand man to clean up your lawn Made of High Quality Materals: PA6(Nylon)+30%GF(Glass Fiber).Adding just the right proportion of glass fiber to the nylon material not only dramatically increases the stiffness of the spools and caps, but also enhances wear and heat resistance, effectively extending their life. This is a feature not found in other ABS plastic spools and caps. Professional Quality Service: as a professional seller of garden brands, we strictly grasp the quality of the products and maintain high reliability of the products, for the aging cycle, we can do up to two years, and have a complete high-quality after-sales service system model number: Spool(WA0010) Cap(WA6531) Part Number: Spool(WA0010) Cap(WA6531) Package Dimensions: 6.1 x 4.2 x 1.6 inches Listing and template services provided by inkFrog