NOS Instrument Panel Shock / Vibration Mount 1-1/4" Antique Warbird Stearman - NOS - Stearman PT-17 Style Mounts - Never Installed - These fit 1" Hole - Total Length & Width is 1-1/4" - Center hole diameter is 5/32" (#8 Screw) - Stored Indoors - No Dry Rot - Rubber is still very soft, flexible and pliable. Photos show multiple quantities, you will receive ONE with your purchase. The numbers are fairly hard to read and the actual application is unknown.