• Fits most popular 3-angle valve seat cutting systems including Kwik-Way, Newen, Peterson, Rottler, Serdi, Sunnen, T&S, Winona Van Norman, etc. • Seat Width: .098" (2.5mm) • Top Angle: 15º • Top Width: .079" (2.0mm) • Throat Angle: 60 deg.

Replaces: Rottler #RCA 329*, Newen #A1-3032, K-Line KL-9401-18, Serdi old #25K30U60-A1