3 Jewelers Tools For Resizing & Measuring Rings Rathburn Ring Stretcher This is a new Rathburn ring stretcher It can quickly enlarge plain bands Simply tapping the end spreads the outer mandrel and stretches the ring This is used for wedding bands size 8 and larger Plastic Finger Gauge This is a new plastic finger gauge This is great to give to customers The ring finger sizes go from size 4 - 13 in 1/2 sizes Plastic Ring Stick This plastic ring stick has two grooves This is a black plastic stick that has large easy to read white markings which measure rings from size 1-15 in 1/4 sizes This accurate and economical ring stick is great for use on glass showcases It measures approximately 12 1/2" (317 mm) long These ring sticks ship with the handle detached. Just slide it onto the bottom and it will be good to go. Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.