The ALM GP006 Trimmer Cut Head & Lines fit the following: Ryobi: 100r, 125r, 130r, 135r, 306-RT, 700 series, 840r, 900 series. Toro: 28cc/31cc petrol trimmers. Homelite: Petrol Trimmers, standard round 2.4mm line. McCulloch: MAC 15RT, 2815/16/17/18/60/65, Eager Beaver 15rt,28,28c,280,282,285,287, Road Runner II,III, Silver Eagle 15rt, 28, 28c, 32BC , ET270, T28/29, MAC 60/65/80, MT270X/280X/ 300X/302X/310X, T31/32, CB28. Convert your troublesome bump-feed mechanism to a simple easy to refill Trim-Cut head! Supplied with 6 x pieces of 2.4mm (0.095inch) trimmer line. One each of the following bolts: M8 right hand thread, 5/16 inch UNC right hand thread, 5/16 inch UNC left hand thread, 1/4 inch UNC right hand thread. Compares to 300159-33, 300138B, DA09364.