LUTHRA Straight Edge

Features:

• Castings are stress-relieved through natural aging or artificial seasoning to enhance durability.
• Hardness: 170-220 BHN.
• Hand-scraped to achieve a Grade-1 accuracy surface finish.
• Wooden covers are included with each straight edge to protect the working surfaces.
• Optional Storage Box: Safe storage wooden boxes are available upon request at an additional cost.
• Dimensional Variations: Actual dimensions of straight edges may vary slightly from those mentioned in the table below, as sizes and dimensions can differ for straight edges of the same length.
• Matched Pair Dimensions: Only matched pairs of straight edges will have identical dimensions (e.g., overall depth). The flatness and parallelism of matched pairs are maintained within specified standard limits, allowing them to be used as paired tools.
• Calibration: I-section straight edges are supplied with a computerized calibration certificate traceable to the National Physical Laboratory (NPL, Govt. of India), New Delhi.

Range:

• Cast Iron Straight Edge
• Engineer’s Steel Straight Edge
• Prismatic (Triangular) Straight Edge
• Tool Maker Knife Edge
• Lightweight Aluminum Straight Edge
• Granite Straight Edge