Presto Stantest Private Limited supplies Hand Operated Twist Tester, PTH 311. Presto Stantest Private Limited is an ISO 9001:2000 certified company that manufactures products for industrial measuring applications. The Hand Operated Twist Tester is used to determine twists in double or multiple plied yarns. This is manufactured from Stainless Steel ensuring durability. It incorporates a pre-settable 5 Digit Counter for registering the number of twist in the yarn. It also has a magnifying glass and a viewing plate to ease untwisting and determining the end point of the opened yarn. The Hand Operated Twist Tester is provided with Allen Key for tension load adjustment, 1 No. Pointing Needle and detailed user`s manual. It comes with a Calibration Certificate and a Conformance Certificate.