Heavy Duty Lay-In Ground Clamp Direct Burial - Lay-In Ground Clamps can handle large ground wires with ease.Features:The ultimate lay-in ground clamp for large ground wiresCan handle just about any size ground wire just about any applicationThe lay-in feature provides for the ultimate in flexibilityManufactured from cast copper alloyDirect Burial marked on ground clampsSupplied with stainless steel screwsLay-in ground clamp suitable for direct burial in earth concreteProvides maximum conductivity strengthUsed to connect grounding conductor to water pipe ground rods copper water tubing or rebar up to 1 and rdquo; in diameterUL467 Direct Burial.Specification:Water Pipe Range: 1/2 - 1 in.Rebar Range: 3/8 - 1 in.Wire Range: 8-4/0Item Weight - 0.54 lbs.