I recently bought this kit from
Weldporn. I haven't used all of them yet, but it's a nice assortment for not a lot of money.
wsi-imageoptim-IMG_82611-510x600 by
Yelcamino, on Flickr
I also have this one from Weldporn and I really like it. However, dropping it makes for a bad day!
wsi-imageoptim-IMG_2471-510x600 by
Yelcamino, on Flickr