No teeth, light spring, lap joint These are really tiny and great for mico-maille. These are wider than the 475 plier and have a 3mm wide jaw. Not recommended for larger than 19g rings - but this is personal preference. Made in USA Max Recommended Wire Thickness (*See Notes Above): Stainless and Titanium (SS/TI): 18g Copper (CU): 14g Bronze and Brass (BZ/BJR): 16g Aluminum (anodized AA and bright AB): 14g Minimum Recommended Size (*See Notes Above): 24g