A specialized instrument to determine the GSM of the textiles (Woven, Non Woven or Knitted, Fabrics) Our Round Cutter can be used for virtually any type of material including Film, Foam, Carpet Paper and Board.The Cutter has been specially designed to make it portable due to its light weight. Only the fabric has to gripped between cutter base and Rubber pad cutter top to be rotated gently clockwise direction for accurate cutting of fabric. The cut fabric can be weighed and multiplied by 100 to get GSM.