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Boston Gear (Altra) - GB20 - Change Gear, 14.5* pressure angle, 16 DP, 20 teeth, .500" bushing bore - RS
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Boston Gear (Altra) F715-20-B5-G - Right Angle Worm Gear Speed Reducer - C-Face Quilled, 20: 1 Ratio, 0.6250 in Input Size, 1.5400 in Center Distance, Left Hand Output, 56C Frame: Amazon.com: Industrial
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