Be sure to add me to your favorites list!............IF YOU PLAN ON PURCHASING MULTIPLE ITEMS PLEASE USE THE CART SYSTEM, SO WE CAN SHIP THEM TOGETHER..............KEEP YOUR CAR GM!..............ORIGINAL GM......................APPROXIMATELY 25mm in LENGTH..........SHOULDER LENGTH APPROXIMATELY 9mm.....SHOULDER THICKNESS APPROXIMATELY 8MM.........1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 Corvette convertible top frame Torx OE bolt, original GM, used. We ship on weekdays only. Shipping is USPS only, NO EXCEPTIONS. Please email with questions No local pickup. If a problem arises, please email or call before leaving feedback. We are in Stuart Florida. NCRS member since 1983. Thanks for looking. (... conv jar RCCX) 87