High quality precision finish in a special lead free alloy, conical shaped. Thread made similar to that of a modern self-tapping screw. Gold plated screw posts electrolytically plated with a thick layer of 24 K gold.
Assortment 60
Assorted box with 3 screw
posts each size 60 screw
posts, 1 hollow key,
1 cross key
Assortment 120
Assorted box with 6 screw
posts each size 120 screw
posts, 1 hollow key, 1 cross key
Assortment 240
Assorted box with 12 screw
posts each size 240 screw
posts, 1 hollow key, 1 cross key
Made in Switzerland
