They measure 20mm tall x 17mm deep x 2mm wide and weigh 2

5mm with an 8mm lever fastening

The stud is secured with the accompanying butterfly back

With a tiny tube width of 1mm and thickness of 2mm

It can be engraved with up to 30 characters on both the front and reverse faces

personalised 9ct white gold st christopher necklace Length:18 Inches They measure 20mm tall xMade from 9ct white gold, this special necklace is perfect as a gift to send them off on their adventures and can be engraved with a special message of up to 15 characters! The 13mm diameter disc pendant features a detailed embossed design on the front of St Christopher inside a slender frame. This is threaded along a delicate curb chain via a jump ring to create an overall drop of 18mm. The chain is available in lengths of either 16 or 18 inches.