... or snap fasteners onto garments or toys. Snap tester Button pull tester, to determine the holding or breaking strength of ... button or snap fasteners onto garments or toys. Snap tester(pull tester) complies with ASTM PS79/F963, EN71-1, etc. ... recommended, such as: Small Parts Cylinder, Sharp Point Tester, Sharp Edge Tester, Button Impact Tester, etc. Original Accessories Imada / Sundoo Force Gauge- ...