Battery Drawer Opening Tool for Sky Marvel Hearing Aid By Phonak. Designed with a keychain hole so you’ll always have it with you. Comes in packs so you can give one to anyone who might need one, or keep them in multiple locations, bedroom, kitchen, car, work, school. These items are 3D printed to order in PLA. Using whatever colour I’m printing with at the time. If colour is important to you then just contact me and let me know. Available in black, white, gold, red, marble white.