The STIHL 11156640501 Claw Stop is an authentic OEM replacement part designed for various STIHL chainsaws. Also known as a bumper spike, this durable metal component features teeth and mounts on the chainsaw housing. It serves as a crucial pivot point, enabling operators to maintain control and apply leverage while cutting. Additionally, it aids in preventing kickback by digging into the wood, enhancing safety and operational efficiency. This robust part is built to withstand demanding chainsaw use.