wheel clamp for alignment

anyone here doing their own alignment even if just to dial it in for to carry to the alignment shop? I ask because I am in the market for a wheel clamp for the caster/camber gauge and was wanting to know who has had success with what model and the method it is held to the wheel. I am thinking steel wheel have inside pegs you put on for them and the aluminum wheels will use outside pegs to clamp on to the wheel but there seems to be no techie specs with their brochure. Thanks....my gauge is a Longacre with 5/16 thread and also magnetic mount so can use either style clamp, mag or threaded lug. Yes I have Hunter turn tables and rear leveler blocks to use in conjunction with the turn tables.