Materials Made from durable plastic, this chain brake handle is designed to withstand heavyduty chainsaw use. It delivers longlasting performance in demanding environments. Replacement This chain brake handle is a replacement for OEM part number 1127 792. It is specifically designed to fit models 029, 039, MS290, MS390, and MS310 chainsaws, ensuring a proper and secure fit. Enhanced Safety With the chain brake handle installed, your chainsaw gains improved safety features. It enables quick and effective activation of the chain brake, providing added protection against kickback and enhancing operator safety during use. Easy Installation The chain brake handle requires no special tools or skills. Simply remove the old handle and it with this one. It fits seamlessly for a hassle installation. Applications and practicality Backyard cutting and firewood processing with MS290 or MS390, where frequent chain brake engagement improves control and safety. Tree pruning or maintenance in residential or rural settings using MS310, benefiting from rapid brake activation in tight or angled cuts. Professional forestry, landscaping, or land management where quick brake engagement reduces kickback risk and enhances overall control during demanding jobs.