Another five srar excellent product delivered by my caring friends in Battery Junction. This silicon grease the very first day I received it, I ordered two 10g neatly presented plastic containers ,I cleaned the threads and around the o rings in all my seven flashlights and later upon applying a moderate coat of this quality silicone my flashlights looked pristine and properly serviced/protected from the elements for at least 12 months. Specially in this subtropical climate in South Florida where the high humidity, heat and salt is in the air. The MG20 silicon is very clean as one applies it. I am very satisfied with the quality of this product and I highly recommend it to all present and prospective customers with Battery Junction. Once again the customer service team in Battery Junction and their management are without a doubt my go to source for professional and outstanding service and best products. You can be completely confident in their excellent care and premium products. I am always grateful to all my friends in Battery Junction.. Sincerely, Ricardo.

One container should last years and will conserve the O' rings etc. on your lights. For a few bucks to conserve expensive lights, you cant go wrong. BUY THIS.

FOR THE VERY SMALL AMOUNT OF MONEY FOR THIS ITEM ,, YOU CAN'T BE WITHOUT IT..WHEN YOU CHANGE OUT BATTERIES ADD A LITTLE.
A SMALL AMOUNT IS ALL YOU NEED .. 10 GRAMS OF SILICON WILL LAST YOU A LONG TIME IT'S WORTH IT....

I purchased this item to help preserve the O-rings on my flashlights. I was particularly concerned that the tail cap on my TK75 became difficult to unscrew after being left in place for a couple of weeks. This product took care of the problem. The 10-gram container is enough to last for many years.

If you have a good light, you will need this.