Stud design provides direct terminal to bus contact for low resistant connection. Stainless steel studs and screws allow high torquing for excellent electrical contact. Tin-plated copper bus for maximum conductivity and resistance to corrosion UL 94-VO rated (self extinguishing) base material resists high heat Press on insulating cover attaches to studs and allows unobstructed wire access. Raised bus provides easy access to multiple wires on a single screw. Weight - 0.37lb