the first time I tried to install on my stihl 90 the green adaptor would not screw on the shaft so I decided to send it back but tried once more by starting a little backing off then tighten a little more after about 5 try's it finnaly went on so it will fit I think all or most stihl weed eaters I think the starting thread is a little rough I read other reviews that had the same problem but one review said that he done what I had done I tried that and it worked so keep trying and good luck o take pictures or go on tube and watch very closely will save a lot of time they show all assembly of 400 and 450 is great help
1472°F Heat Resistant BBQ Gloves - Comsmart Silicone Non-Slip Oven & Grilling Gloves For Barbecue, Cooking, Baking, Cutting
29 Review
Upgrade Your Apple Watch With Bandiction'S Genuine Leather Bands - Compatible With Multiple IWatch Models
20 Review
Double Cotton Hammock - Soft Comfortable Fabric Canvas For Patio, Porch, Garden & Backyard By KEPEAK
23 Review
High-Temperature Resistant Gloves With Non-Slip Silicone Grip, Perfect For BBQ, Baking, And Cooking - Comsmart Kitchen Gloves
26 Review
🐾 SHACOS Artificial Grass Pad: High Pile, Reusable Dog Training Pads for Small Dogs, 20"x25", 1.2" Thick, with Drainage Holes – Ideal for Potty Training on Yard, Patio, Balcony
12 Review
COFIT 43" Retractable Snow Shovel, Aluminium Alloy Snow Sand Mud Removal Tool For Car Outdoor Camping And Garden, Detachable Four-Piece Construction, Black
33 Review
Buffalo Flurries Extra Quart Measure
7 Review
🎄 DuraCasa Christmas Snow Blanket Set: 2 Rolls of 3ft x 8ft Artificial Snow Blankets - Ideal for Festive Decor, Village Backdrops
6 Review