Single hole bracket on the rear for surface mounting. Holder for 4 or 5 pin power relays.
Black Relay Base Holder Socket By Lucas Rist+5 Terminals-Suitable 4/5 Pin Relay
Relay Base Holder + 5 Terminals - Suitable for 4/5 Pin Relays 3334485007 190767
Micro Relay Base Holder and Mounting Bracket + 5 Terminals - for 4/5 Pin Relays
Relay Base/Holder & Terminals x 2 - Suit 4/5 Pin Relays - Twin Pack
Heavy Duty Starter Relay Base Holder Socket & Terminals same as Durite 0-729-04
70 Amp 4 Pin Power Relay Base Holder With Mounting Bracket