EXCELLENTTwo cast iron spikes rollers. No pounding or hammering required. Punctures for better marinade & sauce penetration, brings out the flavor of your favorite meatsSELECTED MATERIALHigh quality aluminum housing for durability, easy disassembly for cleaning & maintenanceWONDERFUL it handles meat pieces 1/2 inch thick and 4 3/4 Inch thick inches long, Table-clamp style quickly attaches to any table or countertop up to 1 1/2 Inch thickPROFESSIONAL DESIGNCompact design for easy storage. Clampon design will attach to your table or counter topGOOD TRYThe meat tenderizer machine best kitchen tools for tenderizing, marinade, bbq & flavor maximizer. Help meat better absorb spices, enhance meat texture and taste, and make delicious dishes easier