Kennedy: Imperial Thickness Gauge Designed for carrying convenience. Lightweight - metric only 68g and inch 98g. Supplied in leather wallet. Spindle diameter: 6mm flat. Anvil diameter: 6.5mm flat. Parallelism: 5m or less. Conversion chart printed on back of gauge. Accuracy: +/-0.02mm. MPN: KEN-330-4010K EAN: 5036140343030 Imperial Thickness Gauge Attributes: Accuracy: +/-0.02mm Additional Features: Lightweight Display Type: Dial Measuring Range: 0 - 0.4in Resolution: 0.001in System of Measurement: Imperial