BK1-GMA-3-5-R BK1-GMA-4-R BK1-GMA-7-R BK1-GMA-800-R BK1-GMA-8-R BK1-GMB-2A BK1-GMC-1.6A BK1-GMC-2A BK1-GMC-400MA BK1-GMC-5A