Walfront 51pcs Thread Pitch Set Screw Thread Measuring Tool for InternalExternal Thread Stainless Steel America SAE51pcs

Function accurately measures internal and external screw threads with thread blades of varied size Material and finishing made of stainless steel and processed with chrome finish it combines good resilience elegant appearance Most importantly it wont get rusted easily and owns long lasting durability The toothed edges are sharply defined and the numbers are stamped and easy to read Easy to use designed with a hole on each end from where you press the tooth you can easily rotate the thread blades Thick poly bag each contained in a thick plastic bag which will the pitch from water and.