Shaft Usage: 15mm to 15mm / 0.59 inch to 0.59 inch. Material: Aluminum alloy, polyurethane; Type: Plum shaped. Size: 55 x 40mm/ 2.16 x 1.57 inch( L*D); Main Color: Silver tone,Red. Flexibility of coupling shaft removes stress between the motor and driving components.. The shaft couplers are mainly used for servo motors, spindle, step motor etc..
