The Interlude - the wheel diameter 55 cm - the weight 5 kg - single treadle - single drive band - elastic - regular ratios 7 :1 , 13.5 :1 , 15.5 :1 - 3 bobbins included - threading hook - on- board Lazy Kate for 3 bobbins - made of European alder and birch - orifice size 10 mm - bearings on wheel and leather bearings on flyer - avaiable in unfinished, finished clear, walnut and mahogany