Part Number: 02598CPK Universal 2 line Brushcutter manual feed head. Fits most straight shafts. Fits on standard square head adaptor bolts. Included adaptor bolts: 7 mm x 1.00 LH Male 8 mm x 1.25 LH Female 8 mm x 1.25 LH Male 10 mm x 1.00 LH Female 10 mm x 1.25 LH Female 10 mm x 1.25 LH Male