2 X Star Wars Laser Pistol Han Solos Blaster Battery Locking Knobs Listing is for 2 locking knobs. 3D printed with high quality grey PLA (plastic) Unlike other 3D printed knobs available on eBay, mine have been printed vertically to make the locking clip much stronger. Any questions please ask. Original design by aaronr121 https://www.thingiverse.com/thing:3487344 Printed and sold under Creative Commons license.