Gems diameter - 2.5 mm
Lock length=6.18+2.98=9.16 mm
n= (L-9.16)/3.43
n - number of links; L - Bracelet length.
In 18K gold:
Lock weight = 1.24 g; Link weight = 0.25 g.
TESTED IN PRACTICE !
*YOU CAN BUY FULL SET OF STYLISH TENNIS BRACELETS WITH ADDITIONAL DISCOUNT HERE: *
https://www.cgtrader.com/3d-print-models/jewelry/bracelets/full-set-of-stylish-tennis-bracelets