supply of set of items for axle box brush holder primary return current. set of consists of 3 items etc.set of items for axle box brush holder primary return current. set of consists of 3 items etc.,set of items for axle box brush holder primary return current. set of consists of 3 items. ( 1) spring clip (pressure device) for axle box carbon brush of 3 phase locos as per ref.-02 of sheet no.-8 of clw spec. no.-clw/es/3/0017(alt.-d or latest),qty.=12 nos./set. (2) insulating bush small for earth r eturn brush with brush holder assembly as per clw spec. no.-clw/es/3/0017 (alt.-d or latest) ref. ite m no.-03 of sheet no.-08 qty.=40 nos. (3) insulating bush large for earth return brush with brush holde r assembly as per clw spec. no.-clw/es/3/0017 (alt.-d or latest) ref.- item no.-04 of sheet no. 08 qty. = 40 nos. [ warranty period: 30 months after the date of delivery ] ] electric loco shed stores/src, west bengal 30.00 set