Bulbs.......Will i kill parts of my car????

[googies]

i found these bulbs and a few along with them, just wondering what the rating is on stock H1 bulbs and will these uprated ones do any damge to lenses, refractors/reflectors, fuses etc..........for my off road/private road use only obviously....wouldn't be doing breaking any laws!!:whistle:

http://www.autobulbsdirect.co.uk/product.php?productid=16775&cat=604&page=1