USE: Bite protection from toothy fish is the main/ideal purposes of this leader wire. It’s a hard wire that offers bite protection (or prevents break offs) from toothy fish cutting the connection between your lure and your line, from such species as shark (salt) to pike/muskie (fresh). Stiff but strong wire used for bite traces. Recommend haywire twist or alb testright knot. SIZE: #9 = 105lb test / 48kg test. The wire measures .022"/0.56mm. The package includes 30ft of wire. COLOR: Bright stainless steel finish. MATERIAL: Type 304 stainless steel alloy is hard, but not brittle, and delivers the perfect combination of flexibility and strength. AFW’s unique pre-straightening process eliminates cast, providing a straighter leader wire with improved kink resistance. MADE IN USA. AFW is the leading wire leader producer. We offer the fishing industry’s most complete line of wire products made in the United States since 1976.