Check the listing for details. Rockwell Sensus 5/8" Water Meter Bottom, Back, Steampunk, Paperweight, Usable!!. Condition: Used. Listed at 8.50 USD. PLEASE VISIT MY WIFE'S EBAY SITE- "TRUCKDEAL"- ALSO! WE'LL BOTH BE SURE YOU'RE IN GREAT HANDS!! Here is one of many water meter bottoms I have! They are from the Rockwell Sensus 5/8 water meters. Good for re-use, or as a decoration or even a paperweight!! They have a bolt spacing between any adjacent slot of ABOUT 3-3/16 inches, and across to an opposite slot of ABOUT 4-9/16 inches. The diameter is 4-1/4 inches to the outside edge of the round part of the bottom, the area between the slotted projections!! THIS IS IMPORTANT!! THE SLOTS ALLOW FOR A SLIGHT VARIATION IN THESE DIMENSIONS! *************** BE SURE YOU KNOW THE SIZE OF YOUR PLATE!! THERE ARE SMALLER SIZES SUCH AS THE 1/2 INCH METERS!! DO NOT ORDER THE WRONG SIZE!!! I HAVE THE SMALLER SIZE IN ANOTHER LISTING FOR THE ROCKWELL SENSUS 1/2 INCH METERS!!!! ****************** IF YOU BUY MORE THAN ONE THE SHIPPING IS ONLY $2.00 MORE FOR EACH ONE AFTER THE FIRST ONE!! Mike