These "kits" are used for restoring windshields. I use them on my glass railing. great for taking film off, but if the scratch is deep it may not be possible.
here's the description-



This is a windshield refurbish kit that can take out some light scratches, as well as clean the film that builds up over time. Great way to shine up your windshield without replacing it.

This DIY glass scratch repair kit utilizes a micro replication process allowing for glass scratching damage to be removed in a more efficient and effective way.

Designed for a multiple scratches 6 to 8 inches in length and
less than .003 of an inches in depth (normally a scratch that you cannot catch
your nail in). This product comes with everything you need excluding a 110v
power drill (RPM min. 1200). Remove those unsightly scratches and restore your glass to a new finish! Also removes minor windshield wiper scratches.

Kit includes:
•Polishing Disc (4) 3"
•Fine Disc (4)
•Medium Disc (4)
•Backing Pad Velcro (1)
•Backing Pad PSA (1)
•Foam Pad (1)
•Spindle Adaptor (1)
•Liquid Diamond Polish 8 oz (1)



Best of all it includes a step by step instruction sheet that walks you through the process

Use code Scratch1 in check out. Only the 1st 5 will work.
http://shop.914rubber.com/product.sc?produ...p;categoryId=19