JELCO SG-1 DIGITAL STYLUS PRESSURE GAUGE - High Precision Stylus Force Gauge Jelco high precision stylus force gauge with anti-magnetized stainless steel objective tray, 0.01 g sensitivity and operational weight range of 0.1 g to 100 g. Auto-off function saves battery life. Comes complete with battery and ready to operate. LP GEAR Ultimate Diamond Stylus Brush is included. Dimensions (L × W × H): 77 mm × 68 mm × 12 mm. Weight: 43 g.