tender for one set of bolster compenating ring consisting of 08 nos. of item no.01 to size 316 mmx 218mmx 3 mm thick and 08 no. of item no. 02 to size 316mmx218mmx5 mm thick of drg.no.jt/sk-3068 ( totalcompensating ring in one set=16 nos. .[ 08 nos. of item no.01 and 08 nos. of item no.02] .