Fowler Involute Gear Tooth Gage Fowler Trimos V1+ with granite base • Spring-loaded and hold measurement

• Spring-loaded and hold measurement button for ease-of-use

0001" for squareness per inch

• Helix adjustment of light source ± 7º for accurate thread form projection

gear backlash

• Supplied with a blade for steel and aluminum• Unique rounded head blade for safe deburring of drilled and machined holes

Fowler Involute Gear Tooth Gage Fowler Trimos V1+ with granite base • Spring-loaded and hold measurementWith this Involute Gear Tooth Gage, it is easy to determine the diametral pitch of involute gears from 680 and 25 in inch and . 55 and612 in metric. 14 leaves with ring holder. Range of pitch: 6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 36, 40, 48, 64, 80 Pressure angle = 14. 5.