supply of set of special ratchet spanner for axleset of special ratchet spanner for axle,set of special ratchet spanner for axle guiding bolt (rh & lh) for wap7/wag9hc locomotive as per drawing attached. size: 3/4 inch sq. drive (bolt size m-24) of make griphold/tekniplus/norbar/groz o r similar, having features: (1) operates with the help of reverse and forward mechanism by changing the po sition, (2) high strength alloy steel with confirming test certificates of nabl approved lab for en-47 materia l composition carbon range 0.45.-0.550, chromium 0.8-1.200 and vanadium 0.150 minimum. or similiar as per attached annexure-a. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited