1/4 inch / 6.4mm sandwich spade connector. Pure Fine Silver contact is direct Platinum plated to protect against tarnish. High current spade lug with elastomeric shock absorber for progressive contact pressure eliminating structure born and air born noise as well as magnetostriction. Fully insulated body is safe to use and conforms to international safety standards. Easy fit for wire sizes up to 10mm² / 8AWG.