GLFS 145pcs Protective Cap for Screws Hexagonal Cover Cap Black for Nuts Screws Bolts RV Screen Door Handle Compared to the unhealthy of

Compared to the unhealthy of plastic and the indurability of wood

You can tie it to wear as a top

so the thread will not fall off easily

libraries and so on

Female NPT Ports

GLFS 145pcs Protective Cap for Screws Hexagonal Cover Cap Black for Nuts Screws Bolts RV Screen Door Handle Compared to the unhealthy ofFeatures: *Many sizes: includes black nut covers in 6 sizes, including 50 pieces for 4mm, 30 pieces for 5mm, 20 pieces for 6mm, 10 pieces for 8mm, 20 pieces for 10mm and 15 pieces for 12mm, total 145 pieces, can meet your different needs *Nylon material: protective cap is made of high quality nylon, have a smooth face without burr, are scratch resistant, and not easy to deform. *Beautiful and practical: hexagonal screw covers are good for protecting