A pair of steel interchangeable tubes to make a clasp by yourself.
Goes with instructions for mounting. Available in gold plated for 1,5 $ more/pair

These tubes have a small edge for a perfect finishing

Choose, steel or gold plated on ordering .
MAKE SURE YOU HAVE THE APPROPRIATE DRILLING BIT , see "best match" tab.

Price for one pair to make one clasp.

Take care of the drilling bit by regularly refreshing the sharp of diamonds with this sharpening stone.

On photo : left is a new stone on sale, right is how to use it.

Convenient for both drilling bit alone and the complete automatic device with continuous water flow

A pair of steel interchangeable tubekeys to convert a cord or chain  into interchangeable one by yourself.

Available in 3 sizes and steel or gold plated, price varies slighty .

Choose size and steel or gold plated in "choose options" on ordering

Price for one pair to convert one necklace.

Complete automatic connector drilling device for continuous water alimentation,

with diamond hollow drilling bit included for clasp making at tubes' size.

At one end, connect it to any water tap,

at the other end, set it into the nose of an appropriate column drill press 

Professional tool, very convenient for accurate drilling