Alpha wire bk005 xtra guard 2 screened cable alpha wire 25098 bk005 this xtra guard 2 cable from alpha wire is a heavy duty screened cable designed for use in a range of industrial applications particularly where abrasion and mechanical abuse is likely the specially formulated rugged polyurethane jacket offers three times the resistance to abrasion and tearing associated with ordinary pvc sleeving alpha wire 25098 bk005 xtra guard 2 screened black 8 core 023mm 100ft reel