This genuine Efco 0000811 Half Take-up Drum, which is an older reference for part number F1290224, is an essential component for the clutch assembly of various Efco and Oleo-Mac brushcutters and trimmers. Designed for durability and precise fit, it ensures reliable power transmission. This half take-up drum features an outer diameter of 78 mm, an inner diameter of 75 mm, and a height of 20 mm. It is compatible with numerous models including Efco 8200, 8400, Stark series, and Oleo-Mac 720, 740, Sparta series.