Overview The Spinfire Automatic Base Clamp can be retrofitted to any Spinfire Stringing Machine (or compatible machines – must suit a 12.2mm diameter column/stem which is long enough to trigger the release). You can upgrade your machine, by simply removing the standard base clamps and replacing them with these automatic base clamps. The Spinfire Automatic Base Clamps can decrease your stringing time by allowing you to: Lock your clamps easily without having to apply excessive force Unlock your clamps by simply dropping the column clamp or pressing a button Comparing the standard base clamps to the automatic base clamps: If you believe your machine may be compatible, please check the width of your tracks are 14mm and the plate thickness is 9mm. Note, all dimensions in the below diagram are mm.