Calculated Industries Scale Master Classic

Makes it easy to do linear, area and volume take-offs from blueprints and plans with speed, accuracy and confidence. Perfect for estimating, bidding or planning with measurement estimating capabilities that are extensive, but easy to use. 72 built-in scales gives you more versatility( 39 Imperial and 33 Metric. Six user-set "custom" scales (perfect for scaling faxed or out of scale plans). Two built-in memories (Quickly solve for area and volume). Lock switch (protects scale settings from accidental changing. Built-in counter (lets you count other items). More dimensional units for maximum versatility. Roll-in distance in either direction. Large, easy to read LCD. Includes: Two long-life Lithium batteries, user's guide, vinyl case, 1-year limited warranty  .