Case 02800 Blue Bone Trapper Pocket Knife — Tru-Sharp Stainless, Rogers Corn Cob Jigged Navy Blue Bone HandleBold, distinctive, and built to last the Case 02800 Blue Bone Trapper is the iconic American pocket knife in one of its most striking forms. Part of Case's beloved Blue Bone family, this is the Trapper that stands out from the crowd with its deep navy blue jigged bone handle a classic Case color that only grows richer and more beautiful the longer it's carried. The Blue Bone family has earned a devoted following among Case enthusiasts for good reason.