Alternate Part Numbers: Autocut C5-2, 4006 710 2103, 4006 7102106 C5-2 weeder head stem size entails 8mm x 1 LHF to be used with 2 pipeline Applicable models: Stihl FS38, FS40 (2008 version), FS45, FS46, FS50, FSE60, FSE71, FSE81 C5-2 trimming head is suitable for kit types: lawn mowers, string trimmers Double cord is used for reducing and thinning. Nylon cord routinely adjusts via tapping the cutting head onto the ground, making it clean to install and use. color:Black Material:plastic Package Contents: 1 x Trimmer Head Only the above equipment content, different merchandise should not included. Note: Light mirrored image and diverse exhibits can cause the color of the item within the picture just a little diverse from the real thing. The measurement allowed error is +/- 1-3cm.