slip free finish stainless steel chequered sheet of size 1.25 mm. thickness cut sheet size -(item-1) 810 mm x 2774 ( item-2) 775 mm x 1455 mm material specn. is conforming to is: 6911-2017 read to all amnd. with latest amnd.-2 july-2018 material grade iss-304s1 note :- (a) requirements of chequer embossing per 100 mm x 100 mm area to be 16 to 20 nos. (b) length of projection to be 24 +/- 0.5 mm & width to be 5 +/- 0.5mm (c) height of projection to be 1.3 +/- 0.1 mm (d) tolerance on length to be