Set of insulating base for WAP7/ WAG9 locos consisting of 2 items ( i ) For primary spring of end axle and mid axle as per CLW Drg No. 1209- 01. 315- 016 or latest. Qty- 24 nos ( 2 ) For primary spring of mid axle as per CLW Drg. No. 1209- 01. 415- 015 or latest qty.- 24 nos.