Digi-Met Precision Workshop Calipers. Made from Hardened stainless steel With ground and lapped Measuring surfaces. Measuring Ranges up to 80"/2000MM. Features: Digi-Met Electronic Functions.* Standard Models With knife Points for Line contact. Model No. 18202 With cross Jaws for direct inside Measurement. Resolution: .0005"/.01mm. All Models With Fine adjustment and locking Screws. *Digi-Met Family Features: Non-contacting linear Sylvac Swiss Measuring System. OPTO RS232C output for Direct connection to any RS232C computer port. One Cable fits All Digi-Met instruments. Available Wedgelink Software utility to send Measurements directly to MicroSoft Excel or to your favorite SPC Software. Extra-Large High Contrast LCD display for easy Reading (6mm/.236") Direct inch/Metric conversion. On/off switch. Hold Function - freezes display for later viewing. Zero Setting at any Point. Easily configured for SPC data output. High speed Measuring/tracking: 60"/second. Low energy consumption 3V lithium battery - will last up to 3 years. Temperature Range: 10° to 40°C working; -20° to +70°C storage. Model No. 18205, Digi-Met Electronic Caliper. Measuring Range: 0-40" (0-1000mm) Top Jaws Style: Standard Overall Accuracy: .002" Length of Bottom Jaws: 5.9" Length of Top Jaws: 2.25"