smooth,1 holesmooth, single hole, polished. Subgroups nameØHole-Øwall thicknessalloyPUitem No.hollow balls2.5mm0,6mm0.25mmS 925/-10/50481051hollow balls3.0mm1.0mm0.25mmS 925/-10/50481052hollow balls4.0mm1.0mm0.30mmS 925/-10/50481054hollow balls5.0mm1.0mm0.30mmS 925/-10/50481056hollow balls8.0mm1.0mm0.50mmS 925/-2/10481058hollow balls10.0 mm1.0mm0.50mmS 925/-1/10481060hollow balls14.0 mm1.0mm0,70 mmS 925/-1/10481062hollow balls16.0 mm1.0mm1,00 mmS 925/-1/10481063 nameØHole-Øwall thicknessalloyPUitem No.hollow balls3.0mm1.0mm0.25mmYG 585/-2/10481252hollow balls4.0mm1.0mm0.30mmYG 585/-2/10481254hollow balls5.0mm1.0mm0.30mmYG 585/-2/10481256 nameØHole-Øwall thicknessalloyPUitem No.hollow balls6.0mm1.0mm0.50mmWG 590/-2/10481657