I have a few guide rails! Two of them are newish which came with a white splinter guard but the others did have black but now I only have one left with Black splinter guard as I replaced the rest with white! I wish I didnt as I never had a problem with the black splinter guards but the white just don't stick well
I think the WHITE is better than black easier to see BUT BUT! I think the white is no where near as good as the black! For some reason they have not just changed the colour from black to white but! They have changed a few things on it!
1. They have made the white more stiff/Harder than the black! I dont know what the benefits are for this.
2. They have removed the rebate for where the double sided sticker goes. I think this is a Down grade! As I have had durt go under the rail and splinter guard because of the small gap between tape and guide and the dirt works its way to tape and the splinter guard starts to come away! I have had to get some glue and glue is back on
3. The white is narrower than the black your guide has a small lip which the old black use to put up against but if you put the white up to it its to short in width and so does not reach your blade.
4. Some reason if you buy a new Guide rail now unlike the old guide rails with black strips they dont reach the end why not?!?!
Summary!
They have reduced the cost in making by not having a rebate! They have made it narrower to reduce material and they cut it short on the rails to also reduce material BUT did they reduce the cost?! I don't know because I dont know how much the black guide use to cost.
Here is a picture of what I have mentioned above
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JMB