Product Details: The Phillips 7-Way Socket is the perfect solution for powering your truck systems. Its wiring design ensures secure electrical connections, while its reinforced zinc die-cast housing provides superior durability. The screws with thread seals prevent wire pull-out and the longer holes allow for flexible installation. The spring and hinge pin are made of stainless steel for added strength and corrosion resistance. This particular socket has solid pins. The 15-720 Phillips Socket is the one with split pins. FleetPride is your First Click in Heavy Duty®.