This is the Arrma ARA330703 Shock Standoff (4pcs)

Overview
These EXtreme Bash Shock Standoffs make an ideal heavy-duty replacement part for your ARRMA vehicle

Features
Precision machined from a high-quality steel material
Engineered to resist bending stresses seen at upper shock mount
Accurately cut M3 threads for installation of attachment hardware
Supplied in a set of four with flanged lock nuts for attachment to shock towers

Included items
EXB Shock Standoff 4Pcs
Flanged M3 Lock Nut 4Pcs