supply of procurement of ss wire brush 5 rows with wooden handle as per is: 4517/1967.procurement of ss wire brush 5 rows with wooden handle as per is: 4517/1967.,procurement of ss wire brush 5 rows with wooden handle as per is: 4517/1967. specification s: 1.the steel wire is to be made of stainless-steel material to grade 304 and of the diameter of the steel wi re to be in the range 0.30mm to 0.355mm and length of each strand is 35mm, 75 holes in total and the den sity of strands in each hole (tuft) is 18 nos. 2. the base wooden material (brush head) is to be of thickness 17mm, width 50mm and length of the brush head 180 mm and the overall length including the handle shou ld be 300 mm. makes: wsps, ssas, esab, ador or any isi marked. [ warranty period: 30 months after th e date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]