uxcell Nitrile Rubber O-Rings 19mm OD 15mm ID 2mm Width, Metric Sealing Gasket for Automotive Machine Plumbing, Pack of 50 15mmx19mmx2mm industrial pack of 6 crystal diamond

pack of 6 crystal diamond total weight is 560g

Monday to Friday

Also compatible with the motor whose reduction ratio is 1:130

make sure the connector has rubber ring

uxcell Nitrile Rubber O-Rings 19mm OD 15mm ID 2mm Width, Metric Sealing Gasket for Automotive Machine Plumbing, Pack of 50 15mmx19mmx2mm industrial pack of 6 crystal diamonduxcell Nitrile Rubber O Rings 19mm OD 15mm ID 2mm Width, Metric Sealing Gasket for Automotive Machine Plumbing, Pack of 50 Product Features [Size] 19mm Outside Diameter, 15mm Inner Diameter, 2mm Cross Section Diameter [Hardness] 70A Durometer (Shore Hardness) for resistance to penetration [Nitrile Rubber] Standard Nitrile Butadiene Rubber with a wide temperature range from 4F ( 20C) to 212F (100C). The o rings has smooth surface, great oil and heat