Bergeon 5970 Swiss Made Screwdriver Set Of 9 Ring Sizers & Stretchers The universal clamp-on base features

The universal clamp-on base features a 2" opening for secure attachment to most workbench edges

6 mm posts are compatible with the upper jaw pin plates used with the following GRS tools:

generating 42

approximate length per ounce increases with finer gauges

5 4 17 × 12

Bergeon 5970 Swiss Made Screwdriver Set Of 9 Ring Sizers & Stretchers The universal clamp-on base featuresThe Bergeon 5970 is a Swiss made professional screwdriver set engineered for watchmakers and jewelers who demand precision, durability, and long term value. This compact set of 9 color coded screwdrivers features a rotating plastic base with a built in spare blade compartment in the center, keeping replacement blades organized and within reach at the bench. Each screwdriver uses a single end blade design secured inside the handle with a locking set