About Us

SIZE MASTERS GAUGES & TOOLS is a 2 decades old company established in 1999. We have a corporate office, manufacturing plant & NABL calibration setup at Ramtekadi Industrial Area, Pune (India) making a full-fledged & complete in-house manufacturing setup. In the journey, we have served more than 2700 customers & transformed ourselves into a renowned & popular brand globally.

Size Masters exports in more than 27 countries which including the Middle East, SAARC countries, European countries, and North & South American countries. We leverage our worldwide presence along with sourcing and marketing competencies to deliver what we promise to customers across our key business vertical with dedicated & highly trained engineers.

All gauges are heat treated with an in-house facility and sub-zero treatment to increase life & dimensional stability.

Our Infrastructure

80 World-Class Machines

Matrix 16-u Thread
Grinder : 7 NOS

Matrix 24-internal
Thread Grinder : 5 NOS

Matrix 37-u Thread
Grinder : 4 NOS

Lindner (universal)
Thread Grinder : 2 NOS

Matrix 42-internal
Thread Grinder : 3 NOS

(RAG) : 1 NOS

Takisawa Make 300 Cnc
Turn Center : 2 NOS

Laser Marking
Machine : 1 NOS

Praga Surface
Grinder : 3 NOS

Motorised Lapping
Machine : 6 NOS

Praga Tool And
Cutter : 1 NOS

Jones & Shipmen Cylindrical
Grinder : 4 NOS

Lathe : 4 NOS

Machine : 1 NOS

Subzero Treatment
Plant : 1 NOS

Kirloskar Dg
Set 63 Kva : 1 NOS


Years in Business


Global Presence


Client Served

Our Products

Thread Gauges

Thread Ring & Plug Gauges

API5B Certified Master/Working Plug & Ring Gauges

Taper Thread Plug Gauge

Taper Thread Ring Gauge

Adjustable Ring Gauge


Size Masters Calibration Services is a leading material calibration laboratory, providing calibration solutions since 1999. We provide a complete range of technical services which allows you to use Size Masters Calibration Services as a single source for all your calibration, validation & testing needs. Our lab is approved by the National Accreditation Board for Laboratories (NABL) according to ISO/IEC 17025:2017

Our laboratory is equipped with state of the art instrumentation and provides solutions of the finest quality that meet the needs and the demanding standards of customers, by leveraging the technical competence inherent in the organizations. Our calibration and validation services ensure that your instruments are running at peak performance and meeting government and industry standards.