Monster Cable sells Monster Lock Master Pin parts which include
ML SGP-H Modular Speaker Cable Termination Post (with integral pin connector)
ML MT-H Screw-on Banana Plug
ML MAS-H Screw-on Spade

But at ~ $15/4 for each part it would cost you ~ $60 for the 8 pieces each of pin base and screw-on banana tips (+ extra ~ $30 if you also want screw-on spade tips).
You might want to just buy a pair of Emotiva
USS 14 gauge speaker cables for $40/2 or 3 meter or the even nicer
X SS 10 gauge speaker cable for $90/2 meter (which also include spade tips).
There are probably cheaper alternate brand connectors out there somewhere (and I don't personally like to buy Monster brand due to their aggressive litigious corporate practices), but I haven't found them yet.
There are several manufacturers of modular speaker connectors that are compression type requiring a fairly expensive (~ $100) compression tool for termination:
Liberty AV Solutions make the
C-Tec2 compression speaker connectors with base and screw-on angled pins, bananas and spades, but they are sold in packages of 25 and require their compression tool.
Parts Express sells the
F-Conn Universal speaker connectors. The bases are sold in packages of 4 and the screw-on tips are sold individually. However, they too require an expensive
compression tool for termination.
Steve