The Efco 71440001 is a genuine OEM brush cutter blade, measuring 300mm in length, 90mm in width, and 1.6mm in thickness. It features a central mounting hole with a diameter of 25.4mm. This durable blade is designed for various Efco brush cutter models, including the 8300, 8350, 8400, 8460, 8530, 8550, STARK 25, STARK 2500, STARK 38, STARK 3800, STARK 44, and STARK 4400, ensuring efficient and reliable cutting performance.