White Wool, Extra Hard, Precision Felt S [White Wool, Extra Hard, Precision Felt Strip For Gear Case Of Bhel Traction Motor Type Im3601 Spec. Is:1719-2000 Firm Variety. 1) Pinion End Size -6 Thick X 21 X 411- Qty 2 Nos. 2) Motor End Size - 6 Thick X19.5 X 644 - Qty 2 Nos. 3) Wheel End Size- 6 Thick X 458 Qty- 2 Nos. (One Consist Of Three Items And Six Nos.) All Dimensions Are In Mm. Density - 0.6Gm/Cm2. Oem/Nabl Approved Lab Test Certificate To Be Supplied Of Item No. 3 - 6 Mm Thick X 19.5