Presidium Stone Rest Schofer Germany these burs deliver reliable

these burs deliver reliable

Each 32 oz

2 oz quantity suitable for studio and bench use

3mm link width

52mm working length

Presidium Stone Rest Schofer Germany these burs deliver reliableThe Presidium Stone Rest is a testing accessory designed to hold loose stones securely while you work with Presidium gemstone testers. By keeping stones stable in the rest during testing, you ensure consistent contact and more reliable results. The stone rest accommodates three sizes, making it versatile for a range of stone dimensions commonly encountered in gem testing and identification workflows. When using Presidium testers with stones placed in