https://fluxelectronix.com/shop/12-7x12-7mm-xb-shaft-coupler-d35l50/
12.7x12.7mm XB Shaft Coupler D35L50 | Flux Electronix
12.7X12.7mm XB Shaft Coupler D35L50 Type: Aluminum Shaft Coupling Structure: Jaw / Spider Material: Aluminum / Plastic Dimensions Diameter: 35mm Length: 50mm...
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