uxcell 12 Tooth Roller Sprocket B Type, 25 Chain, Single Strand 1/4" Pitch, 10mm Bore Black Oxide C45 Carbon Steel with Set Screws for ISO 04C June2023_cocoonwix 3 Color Mode & 10

3 Color Mode & 10 Levels Brightness Reading Lamp-- This practical clamp desk lamp feature with 3 kinds Color Mode

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Used for hardness testing of rocks and minerals

uxcell 12 Tooth Roller Sprocket B Type, 25 Chain, Single Strand 1/4" Pitch, 10mm Bore Black Oxide C45 Carbon Steel with Set Screws for ISO 04C June2023_cocoonwix 3 Color Mode & 10uxcell 12 Tooth Roller Sprocket B Type, 25 Chain, Single Strand 1 4" Pitch, 10mm Bore Black Oxide C45 Carbon Steel with Set Screws for ISO 04C Product Features Package Content: 1 x Chain Sprocket, 2 x Set Screws Chain Sprockets are normally mounted in a fixed position on a fixed shaft. Round hole with 2pcs Set Screws at 90 degrees. The shaft can be fixed well, which is convenient to use. The chain sprocket should not rotate at a greater speed than is