BlackLine Tools Carbide Inserts for Precision TurningUpgrade your wood and composite turning projects with BlackLine Tools carbide inserts. Available in MINI, MIDI, and MAXI sizes, these precision-ground and polished cutters deliver clean cuts, extended tool life, and versatility across roughing, shaping, and finishing tasks.Insert Profiles W Inserts: Three large radius edges plus three corner points for roughing, shaping, and finishing. V Inserts: One 3 mm radius corner, one 0.8 mm radius corner, and four straight edges for detailed work. S Inserts: Four straight edges and four corners (rounded or 90-degree) for flexible cutting. R Inserts: Continuous 360-degree edge ideal for smoothing and shaping. W, Round, and Square inserts support shearing mode at a 45-degree angle.Size Reference Profile MINI (mm) MIDI (mm) MAXI (mm) ROUND OD 10 16 19 SQUARE OD 9.525 12.7 16 V LENGTH 18.5 29 38 W OD 9.525 12.7 16 Choose the right size and profile for your lathe setup and material. These inserts pair perfectly with BlackLine tool holders for consistent performance.Shop now and experience professional-grade carbide cutters built for makers.