• 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: .063" (1.6mm) • Top Angle: 15º • Top Width: .079" (2.0mm) • Throat Angle: 45 deg.

Replaces: Rottler #RCA 309, Newen #A1-3026, K-Line KL-9401-42, Serdi old #16K30U45-A1, Sunnen #A 00940