Description:【Material】Headspace gauge set are made of quality steel material, which is durable and wear resistant

【Feature】Headspace gauge set with body for A330, B350, C375, D400, E420 for checking most bottlenecks

【Function】Improve the accuracy of measuring bottlenecks, extends brass life

【Usage】The small screws on the comparator body can be adjusted to fix the bushing

【Safety】More accurate measurement of changes in the firing or size adjustment of brass to improve safety

Specification:Material: SteelSize Chart:3

8cm/1

50inchPackage Includes:1 Piece Gauge Body5 Pieces BushingNote:Please allow slightly errors due to manual measurement and different monitors