1.Speed feeding 2 Tap &Go 3 Heavy Duty Fits most straight shaft string trimmers manufactured by Husqvarna, Red Max, Shindaiwa and Stihl Recommended for straight shaft trimmers Arbor sizes included: 10mm x 1.25 LHF 10mm x 1.00 LHF 8mm x 1.25 LHF 7mm x 1.00 LHM 8mm x 1.25 LHM Ideal for consumer and commercial use Spool holds about 20' of .095" line Uses .080", .095" or .105" diameter line Inner wall reduces amount of dirt inside head Large, durable eyelets enhance line life Smooth and durable, the large bottom cover taps o n ground to advance line and allows head to glide while trimming Includes 20' of .095" trimmer line 

Komatsu cutter head