[M5 Type a]

Items Description
There are 5pcs high quality metric thread thumb nut

Description:

Material: steel
Surface: nickel plated

A Size:
Size:M3/M4/M5/M6

Inside thread diameter: 3mm(M3) / 4mm(M4) / 5mm(M5) / 6mm(M6)

Outside diameter: 11mm(M3) / 12mm(M4) / 16mm(M5) / 20mm(M6)

Thickness: 3mm(M3) / 3mm(M4) / 4mm(M5) / 5mm(M6)

B Size:
Size:M3/M4/M5/M6

Inside thread diameter: 3mm(M3) / 4mm(M4) / 5mm(M5) / 6mm(M6)

Outside diameter: 11mm(M3) / 12mm(M4) / 16mm(M5) / 20mm(M6)

Thickness: 7mm(M3) / 8mm(M4) / 10mm(M5) / 12mm(M6)

quantity: 5pcs
NOTE: the picture is for reference only, and The actual quantity and the size as you chooced