Features:<br />Made of ABS material， lightweight and durable<br />Fits 2 x 18650 batteries<br />Makes your battery pack Solid and Reliable!<br /><br />Material: ABS<br />Color: Black<br />Weight: 3g<br />Size: Approx. 40 x 20mm (L x H)<br />Diameter: 18mm<br /><br />Package Contents:<br />10 x Battery Spacers Holder (Battery Not Included ! )