AudioQuest SureGrip 100 Multi-Spade (Silver) #100 Spades Silver Plated Set of 8 Direct-Silver Plating / High pressure contact system. Accepts up to 9 AWG cable / Fits 1/4" and 5/16" binding posts NOTE:Turn Left to Tighten and Right to Loosen Lables Included / 1 Wrench Supplied with each set