Frost Trapper Smooth Bone Folding Knife. Blue smooth bone handle. Nickel silver bolster(s). Inlay shield. Specifications for Frost Blue Smooth Bone 4.13in Trapper Knife: Manufacturer: Frost Closed Length: 4.13 in Condition: New Handle Color: Blue Weight: 0.26 lb Quantity: 1 Color: Blue Package Contents: Frost Trapper Blue Smooth Bone Knife Frost BKH108BSGBC: Blue Smooth Bone Trapper Knife 4.13 in Closed Mirror Stainless Clip/Spey Blades Blue Smooth Bone Handle