Highly finished nickel-plated feeler gauge- 200 mm long and 25 mm width measuring 1.00 mm, 2.00 mm, 3.00 mm, 4.00 mm, 5.00 mm, 6.00 mm, 7.00 mm, 8.00 mm, 9.00 mm, 10.00 mm, 12.50 mm, 15.00 mm, 18.50 mm , 20.00 mm & 25.00 mm. material tool steel as per is 3748/1990.. note: calibration certificate should be provided to the consignee from nabl accredited laboratories with a valid period of one year from the date of receipt.