Graduated Ring Mandrel US 0-13 Plastic 3Pcs Metal Testing All require 1 Aa battery

All require 1 Aa battery (not included)

Each ring measures approximately 12 x 9 mm (1/2" x 3/8") and each bar measures approximately 4

This display holds up to 6 bracelets or watches and is perfect for countertop or showcase use

It is powered by 2 Aa batteries (included)

Graduated Ring Mandrel US 0-13 Plastic 3Pcs Metal Testing All require 1 Aa battery3 Plastic Ring Mandrels For Jewelers & Measuring Rings This is a new set of 3 plastic ring mandrels Great for measuring rings Sizes from 0 to 13 in 1 4 size increments This is a must have tool for wire wrappers to determine ring sizes and also to create rings Each measures approximately 10" (254 mm) long Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.