... : punching2, Specification: 4 YG3, Dimensions: normal inner dimensions suitable for normal brass zippers, and we can modify dimensions according to ... & double locking8, Advantages: a, Pulled attachment strength: >200N (above ASTM D2061:68.1) b, Twist-off strength: >1.5lbs/inch ... available: nickel and lead low 90ppm, nonmagnetic, differen shapes for pullers10,payment terms : T/T, 30% of deposit , 70 ...