set of round adjustments

lever handle handgrip grip grasp arm hilt shaft stick manubrium haft tiller holder wheel castor roller caster trundle mechanism machinery gear machine arrangement adjustment control regulation alignment tuning readjustment circle range round lap disk disc circumference ring periphery circuit circular rotund cool orbicular moony metallic metal metalline tin-pan brassy ironwork iron steel aluminium cast composition metal alloy fusion composition alligation set kit sample pattern specimen model piece