I believe these are R&G frame sliders , also supplied with the high tensile steel bolt that replaces one of the engine bolts.. They are complete and fit brilliantly on the bike , one of the crash bung holders has at some point had a heli-coil fitted but it never caused me any problems coming lose ..... . £60 posted .......
Cheers! Thought as much...SS is 10mm. Still plausible! My Grandad could fix anything with wheels on, an undoubtedly talented and clever man, whose shoulder I looked over since I was old enough to stand up. His favorite retort to "Doesn't fit!" was "Nope." "Doesn't fit YET!"