Specifications:
Material: stainless steel
Measuring rang:
51 Pieces 60°US
mm: 4/4.5/5/5.5/6/7/8/9/10/11/11.5/12/13/14/15/16/18/20/22/24/26/27/28/30/32/34/36/38/40/42/44/46/48/50/52/54/56/58/60/62/64/66/68/70/72/74/76/78/80/82/84

52 Pieces metric/inch: metric total of 24 tablets, according to the number of pitches per piece, said pitch 0.25-6 mm, pitch count is:
0.25/0.3/0.35/0.4/0.45/0.5/0.6/0.7/0.75/0.8/0.9/1.0/1.25/1.5/1.75/2.0/2.5/3.0/3.5/4.0/4.5/5.0/5.5/6.00

58 Pieces metric/inch/America: 60°metric: 0.25/0.3/0.35/0.4/0.45/0.5/0.6/0.7/0.75/0.8/0.9/1.0/1.25/1.5/1.75/2.0/2.5/3.0/3.5/4.0/4.5/5.0/5.5/6.0
55°Inch: 4G, 4-1/2G, 5G, 6G, 7G, 8G, 9G, 10G, 11G, 12G, 13G, 14G, 16G, 18G, 19G, 20G, 22G, 24G, 25G, 26G, 28G, 30G, 32G, 36G, 40G, 48G, 60G, 62G
America: 8 10 11 14 19 28

Type:
America (51 pieces):60 x 60 mm/ 2.36 x 2.36 inch
Metric inch (52 pieces): 67 x 20 mm/ 2.63 x 0.78 inch
Metric inch America (58 pieces): 67 x 20 mm/ 2.63 x 0.78 inch

Package include:
1 x America type screw pitch gauge (51 pieces)
1 x Screw pitch gauge 55° and 60° with lock device 52 blades
1 x Metric inch America (58 pieces)
2 x Center gauge 60°
1 x Center gauge 55°

Features:
Good quality: all the thread pitch gauge are made of stainless steel.
Easy to use: designed with a hole on each end, use screw for easy adjust and disassemble, from where you press the tooth gauge, you can easily rotate the thread blades, numbers are stamped clear for reading.

Wide application:
Typically applied to check whether the mold, machine or mechanical thread size determination is correct.
Accurately measures internal and external screw threads with thread blades of varied size.
Center gauge is utilized to grind and position thread cutting tool on a lathe.