Package Include: 1x Trimmer head Features: – This trimmer head is for a bump-feed trimmer head only.Suits all line sizes. – It is suitable for making a low grass, so that the grass grows more neatly.Vibration free operation. – Economic benefits, high cost comparison, durable.This head will fit any straight shaft machine with a reverse thread nut on the end. – Easy install,convenient to use.Perfect for residential or commercial applications.Simply feed the line into the eyelet, give the head a twist and it’s ready to go. Specifications: Color:Black Material: Hardened Plastic Size: 12.8×12.8×7.2cm Thread fitting: Adapter M10*1.25 left felmale Notes: 1.Manual measuring, please allow 1 ~ 5 mm error,thank you. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.Please understand, thank you!