Steel Nail Clip Sizes: 1/2";3/4";1";1.1/2" 1-1/4",2";2.1/2";3";4" The size of Nail: 6*6*75mm, 6*6*100mm Steel Nail Clip, Pipe Clip with Nail, Pipe Fitting Material:Hot Galvanizing/Carbon SteelSizes: 1/2";3/4";1";1.1/2" 1-1/4",2";2.1/2";3";4"The size of Nail: 6*6*75mm, 6*6*100mmFuntion: to fix the PipeConnection: socket fusion jointStandard:GB/T18742.2--2002Certification:ISO9001,ISO14001, ...