Description Features:Internal spike used to hold profile steady by pushing into perp joint and clamping to profile poleZinc PlatedSecure InsertInclusions:1 x Masterfinish Internal Spike - MFSPI Reviews Write a Review Write a Review Close × Masterfinish Masterfinish Internal Spike - MFSPI Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Required Email Required Review Subject Required Comments Required