Technique Swiss Hollow Screw T.6 Sterling Silver & Yellow Gold Filled precision-built diamond drag scratch engraver

precision-built diamond drag scratch engraver designed for inside ring engraving

Also known as felt BOBS

Corrugated surface enhances light reflection

Cut grading: 00 (X-Coarse) through 6 (X-Fine) — higher number = finer cut

Important: You must already own a GRS MicroBlock

Technique Swiss Hollow Screw T.6 Sterling Silver & Yellow Gold Filled precision-built diamond drag scratch engraverTechnique Swiss Hollow Screw T. 6 is a precision engineered hollow screw designed for professional jewelers and watchmakers requiring reliable, Swiss quality fastening components for bench work and rotary tool applications. Features Swiss made construction for consistent precision and fit Hollow screw design suited to professional bench and rotary tool setups T. 6 specification for reliable identification and sourcing Specifications Brand Technique