supply of set of items for axle box brush holderset of items for axle box brush holder,set of items for axle box brush holder primary return current assembly. set consists of 3 item s as follows. 1) spring clip (pressure device) for axle box carbon brush of 3 phase locos as per ref.2 of shee t no. 8 of clw spec. no. clw/es/3/0017 alt-c or latest---12 nos./set. 2) insulating bush small for earth retur n brush with brush holder assembly as per clw spec. no. clw/es/3/0017 alt-c or latest ref. item no.03 of s heet no.08---40 nos./set. 3) insulating bush large for earth return brush with brush holder assembly as per clw spec. no. clw/es/3/0017 alt-c or latest ref. item no. 04 of sheet no.08---40 nos./set [ warranty peri od: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]