Ball Spline Nut Inside Dia 28 mm Flange Dia 70 mm Material Carbon Steel/Resin Cage Bearing Type Ball Spline Body Width (In.) 70 mm Bolt Size - Color Silver Dimension A (In.) - Dimension B - Dimension B (In.) - Dimension C - Dimension C (In.) - Dimension D (In.) - Dimension E - Dimension E (In.) -