REPLACEMENT THOREX AND THORACE FACES 7 Series Nylon and Plastic Spare Faces WHITE - HARD NYLON - Shore hardness D 61-65 The best all-purpose face. For light and heavy assembly work. BROWN - TOUGH POLYURETHANE - Shore hardness D 58-62 Tough and abrasive resistant. Ideal for striking sharp surfaces including cutting forms, steel rule die assembly. GREY - SOFT PVC - Shore hardness A63-73 Will not mar finished surfaces. Ideal for flat pack furniture assembly, woodworking. RED - MEDIUM HARD PLASTIC - Shore hardness D 45-55 More suited for light hammering applications and the assembly of precision parts. YELLOW - EXTRA HARD - Rockwell hardness R103 Extra hard faces for specialist applications only e.g. setting copper armatures.
