MGB MGB GT Gear lever Gaiter / Boot, MG Part BHH2049.
A brand high quality MGB & MGBGT (1968 to 1980) rubber gear lever gaiter / boot. These are supplied under the part number BHH2049
See my eBay shop for the chrome retaining ring (AHC187)
Overall size of base 114mm by 128mm, gear lever hole diameter 12mm.