Compliance With Following National / International Standards: IS : 13630 (Part - 1), EN ISO : 10545 (Part - 2) Also available in various sizes. Suitable For measurement of Diagonal Linearity for Tile size (cm) : 45 x 45. Further details available on our website. Price and specifications mentioned here are subject to change as per the application, customer requirements and prevailing market conditions. Please refer to us for the final rates and offer.