Greenlee 9502 Hand Wire Caddy Holds four 500-Feet (152.4 m) spools of #10 wire Holds up to eight 500-Feet (152.4 m) spools of #12 AWG wire 3/8-Inch (9.5 mm) diameter solid steel spool support spindles Spool retaining washers on spindles Pinless design eliminates loose parts