PRO POWER 93-B 锁紧螺母, EX M20 PK5
The is a M20 Locknut made of glass-filled nylon.
e络盟: 防松螺母, 23 mm AF, 非金属, 黑色, M20, 尼龙, 8 mm
Newark: # PRO POWER 93-B Locknut, Non Metallic, Black, Glass-Filled Nylon, M20, 6 mm
PRO Power