BK-GMD-500-R BK-GMD-600-R BK-GMD-630-R BK-GMD-750-R BK-GMD-800-R BK-GMD-V-1-25-R BK-GMD-V-125-R BK-GMD-V-150-R BK-GMD-V-1-5-R BK-GMD-V-1-6-R