Store › TP-40: Lead Set, 40", 1.5mm Socket & Snap Image 1 of 1 TP-40: Lead Set, 40", 1.5mm Socket & Snap $42.00 Includes 3 standard touch proof instrument connector and electrode snaps. White, black, and green. Quantity: Add To Cart Added! Includes 3 standard touch proof instrument connector and electrode snaps. White, black, and green.