Inside Ring Holder Attachments for Engraving Blocks

Crocker Style Locking system provided to ensure that the gravers can be fixed to your degree/angle whilst sharpening on a grinding stone

Square and Diamond Shape for Watchmakers and Jeweller

With 5 collets of size: 15, 17, 19, 21 & 23mm. Collets with expand 2mm. Nylon collets will hold ring from US Std 3-15 in different angles; fits into engraving block.

Place the graver in any of the two openings and roll over flat oil stone to sharpen. Measures 2⅛” x 1⅜”