Hollow Cylindrical Plug For M5 Screw Hole, ØD4.7mm, 6mm Long, Silicone (Green), Pack of 10, HCAS5-P
SGD $6.00
The hollow structure enables each masking cap to be flexible and usable for shaft ends. The flange covers the area around the hole, while every plug comes with a knob for easy installation and removal.