Ball Spline Nut, Type Ball Spline, Inside Dia. 8 mm, Outside Dia. 16 mm, Material Carbon Steel, Accelerated Speed -, Between Grooves (mm) -, Dimension B -, Dimension C -, Dimension C1 -, Dimension C2 -, Dimension d -, Dimension D1 -, Dimension D (In.) -, Dimension E -, Dimension F -, Dimension G -, Dimension L -, Dimension T -, Dimension W -, For Use With SSP8S, Inside Dia. Tolerance +0/-0.015mm, Maximum Operating Temperature 176 Degrees F, Outside Dia. Tolerance +0/-0.011 mm, Length (In.) 25 mm