Color: 15mm x 30mm
Internal Size: 15 x 30mm/ 0.59" x 1.18" (H*W);
External Size: 20 x 40mm/ 0.79" x 1.57"; Suitable for using in reciprocating motion of the occasion, is able to built in cable, tubing, water pipes, etc. Used widely as a component and sevice parts in CNC machine tools, electronic equipment, counting devices, machinery and electrical machines, etc.