Construction: Made with robust materials, this OEM shaft clamp is built to withstand the rigors of outdoor use, providing reliability and longevity for all your landscaping tasks. Compatibility: This shaft clamp is specifically designed to fit a wide range of models including FC 91, 96, 111, FS 91, 111, 111RX, 131, HT 101, 102, 103, 131, 132, 133, and KM 91, 111, 131, versatility and ease of use for various applications.