Description Reviews Warranty MC60 - No. 4 Mainline Cone Chuck Set (60 degree). Use with our mainline blades and 11/16" to 3/4" cable. Write a Review Write a Review × Duracable Mainline Cone Chuck Set No. 4 (60°) | Duracable Manufacturing Co Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email Required Review Subject Required Comments Required