Plain ring on threaded bolt. Rust proofed blackened steel.
MP2004S
BLACKENED STEEL
38mm
$3.60
MP2004
BLACKENED STEEL
50mm
$3.70
MP2023
BLACKENED STEEL
75mm
$4.65
MP2005
BLACKENED STEEL
100mm
$9.50
$ Australian
Other suggestions:
20402 SP
20404 SP
MP2045S