$8, but that's the cheap stuff. Should be strong enough for filters but that's all I'd give them. Their sets of 3 welding clamps (warning, junk) are $6. Includes a nifty feature whereby they magically release the moment you get a bead going allowing work to warp and everything to drop on your toes. :sigh:
[ December 16, 2002, 07:30 AM: Message edited by: OneQuartLow ]