Bin # 385-284 Description: Trimmer Head Pack Size: 1 Replaces (OEM): SHINDAIWA: 78890-18000 SHINDAIWA: 78890-21000 SHINDAIWA: 999442-00902 Fits Models: SHINDAIWA TR195's and 22T Specs: 10mm x 1.00 LHF 10mm x 1.25 LHF 4" trimmer head 7mm x 1.00 LHM 8mm x 1.25 LHF 8mm x 1.25 LHM Arbor sizes included: Easy to feed line Fits most straight shaft string trimmers manufactured by Husqvarna, Red Max, Shindaiwa and Stihl Ideal for consumer amd commercial use Includes 10' of .095" trimmer line Inner wall reduces amount of dirt inside head Large, durable, split eyelets enhance line life Recommended for straight shaft trimmers Smooth and durable, the large bottom cover taps on ground to advance line and allows head to glide while trimming Spool holds about 10' of .095" line Uses .080", .095" or .105" diameter line Additional Information: Uses our 385-062 Trimmer Head Spring Used in our 385-108 Trimmer Head Cover Uses our 385-055 Trimmer Head Spool Uses our 385-070 Trimmer Head Eyelet Uses our 385-059 Trimmer Head Cap