Extremely accurate and ready out of the box powder measure Range: from .5 to 100 grains. The 7-8?-14 thread on the body allows the installation on any standard reloading press. Powder baffle, powder reservoir, micrometer metering chamber, steel cast mounting bracket (non-threaded) and a steel bench stand (non-threaded) included. The Universal Drop Tube accepts all calibers from 0.22 thru .50. The frame of the SR800 Powder Measure is made of cast iron precisely machined. The hardsurfaced drum allows easy cutting and metering of any powder.