This is the 2.5mm x 10mm roll locking pin for the boot lock mechanism. 1985-1999 Mulsanne, Spirit, Spur (from VIN 12001 onwards) 1985-1992 Eight (VIN 12013-44562) 1990-1995 Corniche (VIN...

This is the spring clip for the saddle boot lock (UB71113). 1987-2000 Brooklands, Eight Spur, Mulsanne, Spirit, Turbo (VIN 21413-66587)  

3BA Spring Washer Fits: Fuel Sender, boot locking mechanism, front door lock mounting bracket, brake light warning switch, fuel door solenoid, clutch plate & trunnion, steering wheel, carburetor...