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and long-term durability
this OEM blade restores peak cutting performance and maximizes material capacity
and area rug fabrication where seam quality truly matters
✔️ Ratcheting mechanism provides high tension to eliminate board gaps
✔️ Quick installation minimizes downtime between projects
Crain No. 821 Jamb Saw Blade Seam Cutters and long-term durabilityCrain Tools No. 821 CarbideTipped Jamb Saw Blade The Crain No. 821 CarbideTipped Blade is the OEM replacement blade for Crain undercut and jamb saw models 812, 820, and 825. Featuring a 6 diameter and 40 precision carbidetipped teeth, this blade is engineered to deliver exceptionally smooth, splinterfree undercuts in wood doors, jambs, baseboards, and drywall. Its built from a rigid, precisionformed steel body and optimized for clean transitions in