Hi Alan,
Our eyelets only come in one size, so key to your activity is measuring the diameter/ profile of the laces you have and also the thickness of the material they are inserted through. Our eyelets would be suitable for round laces up to 4.5mm and 2mm thick max. material. Our standard eyelet supplied with the B1450 product has a selection electroplated eyelets in silver, black copper, gold colours. I trust this helps.