直徑（DIAMETER）:￠1.7-4.5mm

長度（LENGTH）:20-100mm
采用优质45#碳钢制造，设计独特，结构合理，外观精致，适用于轻质木龙骨连接。
Adopt high quality 45# carbon steel to manu—facture with original design，reasonable struc—ture，delicate appearance，which is applied to the connection of light wood stud。