Check the listing for details. 5 PCS Stackable ISO Relay Socket with Terminals (IKA Germany). Color: Black, Condition: New. Listed at 18.00 USD. Harris Performance Controls Stack-able relay socket. This relay socket is suitable for the standard ISO type automotive relays that are normally rated for 20, 30 or 40 amps.This kit includes two sizes of terminals, one intended for small size wire (the relay coil) and large wire (the power supply and load). Included terminals: -10 pcs 20-16ga (to be used for pins 85, 86 relay control)-15 pcs 14-10ga (to be used for pins 30, 87 and 87a)If you need different terminals or different quantities please contact us before purchase! This relay socket stacks with itself and also can be combined with the matching IKA fuse holders (see our other listings for the matching fuse holder) This listing is for 5 relay sockets with terminals. If you need different quantities of the terminals please contact us prior to your order. Important: This relay stacks only with IKA (Germany) fuse holders, it does not fit our Lucas-Rists (England) relay sockets or fuse holders.