S579HZ Telescopic Gauge Set, 6 Piece 8-150mm

Range 8 – 13 mm (5/16 – 1/2 Inch) Handle 60 mm (2 3/8 Inch)
Range 13 – 19 mm (1/2 – 3/4 Inch) Handle 60 mm (2 3/8 Inch)
Range 19 – 32 mm (3/4 – 1 1/4 Inch) Handle 60 mm (2 3/8 Inch)
Range 32 – 54 mm (1 1/4 – 2 1/8 Inch) Handle 60 mm (2 3/8 Inch)
Range 54 – 89 mm (2 1/8 – 3 1/2 Inch) Handle 60 mm (2 3/8 Inch)
Range 89 – 150 mm (3 1/2 – 6 Inch) Handle 82 mm (3 1/4 Inch)

Handles are rigidly attached to the contact plungers and are automatically self-centering. Constant spring tension provides uniform contact pressure and both plungers are easily locked at any desired setting.