Making your own sub-woofer/speaker? then you will need professional looking speaker connections to finish the job off.
High quality with solder connections on back of each binding post.
Screw down binding posts
Gold Plated Contacts
Dimensions are as follows:
Inner diameter - 72mm/2.8" by 53mm/2.0"
Outer diameter - 92mm/3.6" by 79mm/3.1"
Depth - 25mm/1"