Hollow Cylindrical Plug For M6 Screw Hole, ØD5.5mm, 7.1mm Long, Silicone (Blue), Pack of 10, HCAS6-P
SGD $7.00
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.