[Specifications]・Number of Teeth: 15 per inch[Features]・228: Superior performance, fast cut and increased longevity,Hardened and tempered carbon steel・PC-9-9/17-PS-B: For fine, cross, angle and rip cut・PC-11-19-PS-B: For extra fine, precision, cross and angled cuts・PC-12-14-PS-B: General carpentry pull-saws for fine, cross and angled cuts