I just installed my second set of Icons. I replace my blades annually, it's just not worth the annoyance of poor cleaning, chattering blades. The brand I used to use became hard to get in my area so I tried some others. One brand chatter baddly from day 1. Another popular brand partially disintigrated during one trip, leaving rubber on my windshield that I had to scrape off. A local dealer sold me on Bosche Excel Blades. They were more expensive, but I quickly found out they're worth it. They slipped right on with far less effort and worked well for the full year and even then were just starting to chatter. Last year they only had the Icon in stock, so I paid the extra bucks for them. They've served me well and are just now starting to streak. They would probably last several months more, but I don't relish changing them in sub freezing temperatures.This year I found them here, at Amazon.com for several dollars less than I'd paid locally. I debated between the Excel and Icon, but after seeing that seller Autoparts123 had the Icon for less than I'd been paying for the Excel, I decided on the Excel. I do beleive they last longer, but more importantly, the frameless design should have less drag and gives ice and snow no place to build up which has been a MAJOR winter issue in the past. Yes, they're one of the more expensive blades on the market, but in this case, you get what you pay for. I definatly recommend the Bosche blades, if you don't want to go the price of the Icon, go for the Excel. Still an excellent blade.