... 3)Usage:Used for various modern decorating project ST/WT(HT) Nails Series Specifications:1) Nails head: 6.4 x 2.2mm2 ... ")4) Models: ST18, ST25, ST32, ST38, ST45, ST50, ST57 ST645) Material: Made of 45# carbon steel6) Usage: Mainly used in nailing ... : ST18, ST25, ST32, ST38, ST45, ST50, ST57 ST64 ST/WT(HT) Nails Series