Sturdy and durable These plastic triplecornered handle knobs, with accompanying nuts, screws, and bolts, are built to last and matched to the device for reliable, longlasting performance. Easy installation 50 mm length and 6 mm diameter screws simplify replacement on your mower machine. No hassle or complicated steps required. Secure fit Designed to provide a secure, tight fit for your machine, delivering stable performance even in demanding conditions. Sleek design The nut is silver and the bolt is black, giving these handle knobs a sleek, professional appearance that blends with the machine's overall look. 23 practical use scenarios Replacing worn or loose knobs on a lawn mower handle to restore control and comfort. Upgrading knobs on compatible garden equipment such as tillers, trimmers, or leaf blowers that use 6 mm screws. Performing routine maintenance on small workshop tools that require 50 mm length screws and 6 mm diameter hardware.