uxcell 10mm to 8mm Pneumatic Tube Connector Push Fittings 10mm to 8mm Pneumatic Tube Adapter Connector Push Fittings. Total size: 1 5/8" x 0.75(L*W) Diameter: 10mm to 8mm Weight: 11.6g Package content: 2 x 10mm to 8mm Push Fittings