You should only have to use your hands to tighten it. Be sure to smear a little
oil on the rubber seal. Here is a good tip if your install area is quite tight:
Normally the threaded nipple that the filter screws onto is longer than it needs to be. Measure the depth of the threads from the rubber seal on the filter. Then measure how far the nipple protrudes from the filter mounting face on the block. Remove the nipple from the engine and shorten it accordingly. It will free up some much needed room allowing the filter to be more easily be installed and removed. An additional 1/4" - 3/8" here is quite a bit. The length of the threads do not need to be any longer than necessary to fully engage the depth of the threads on the filter mounting "face".