Seller: charles4690bikes (1,064) 100%, Location: Gambrills, Maryland, Ships to: US & many other countries, Item: 112212149386 This auction is for one used vintage/antique Weston Clamp Amperes Meter. I think its made of black bakelite. This is sold as is. Don't know if it works but it does not have any damage showing and appears to be in very nice condition. Thanks for bidding. This is the larger meter and is over 12" long and weighs bout 4 lbs.