1. Item No. 04243 Crown holding clamp: protectioning ring which prevents damage of the crown 2. Item No. 04244 Crown holding clamp: an exactly adjustable holding gear supports the firm grip of the work piece 3. Item No. 04244B Crown holding clamps with the Bent Diamond tips 4. Item No. 04245 Jacket-Grip tweezer 5. Item No. 04290 Telescopic crown plier: Diamond coated tips