Renfert 18600200 Auto Spin Base Plate Comfort Set (100 Pcs.)Renfert USA Inc 18600200 The AUTO spin system components are integral parts of the AUTO spin model making system. When uniquely combined with the AUTO spin pin drill, the perfectly matched materials of the AUTO spin model making system turns even the most sophisticated model fabrication into child's play. Secure fixation and easy pin removal due to stable acrylic base plates with metal disc. Features Optimal matched system components for reproducible