uxcell 9 Tooth Roller Sprocket B Type, 25 Chain, Single Strand 1/4" Pitch, 8mm Bore Black Oxide C45 Carbon Steel with Set Screws for ISO 04C bee prevent visual fatigue

prevent visual fatigue

Lab test condition : feed water pressure: 70 psi

comfortable to wear and protect your health from radio electromagnetic radiation

Maintain precise control over your heating or cooling systems

uxcell 9 Tooth Roller Sprocket B Type, 25 Chain, Single Strand 1/4" Pitch, 8mm Bore Black Oxide C45 Carbon Steel with Set Screws for ISO 04C bee prevent visual fatigueuxcell 9 Tooth Roller Sprocket B Type, 25 Chain, Single Strand 1 4" Pitch, 8mm 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