Screw Pitch Gauges(English/Metric)

Blades Included:

5629:
Group 1: 4 6, 8, 10 11, 11-1/2, 12, 13, 16, 20, 28, 32, 40, 56 inch
Group 2: 0.50, 0.75, 1.00, 1.23, 1.50, 1.75, 2.00, 2.50, 3:00, 3.50, 4.00, 4.50, 5.00, 6.00 mm

5651EM:

Group1: 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42 inch

Group2: 0.40, 0.50, 0.70, 0.75, 0.80, 0.90, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00, 3.50, 4.00,  4.50, 5.00, 5.50, 6.00, 6.50, 7.00 mm

• Narrow Designed Blades Permit Use for Internal and External Screw Threads
• Locking Device at Each End to Secure Al Blades for Storage or Position an Individual Blade for Use
• Correct Pitch is Determined by Matching Blade Teeth with Threads
• Each Blade Clearly Marked with Proper Thread Size
• Sets are Available in Wide Range of Sizes and Blade Combinations 
• Blades Protected in Sturdy Steel Case
• Any Combination of Blades is Available by Special Order