ISO TAPER PLUGS & RINGS
Range: ISO 30, ISO 40, ISO 45 and ISO 50
Specifications: IS 9475:1986
MORSE TAPER PLUGS & RINGS
Range: MT 0 to MT 6
Available with or without Tang
Specifications: IS 2251:1986
JACOB TAPER GAUGES (PLUGS AND RINGS)
Range: JT0, JT1, JT2, JT3, JT6, JT(4), JT(5). JT33, JT2 (short)
Specifications: As per IS 10649:1983
TAPER PLUGS AND RINGS
Range: A 2 3, A 2 4, A 2 5, A 2 6, A 2 8, A2 11
Specifications: IS 2582:1972