uxcell 9 Tooth Roller Sprocket B Type, #25 Chain, Single Strand 1/4" Pitch, 6mm Bore Black Oxide C45 Carbon Steel with Set Screws for ISO 04C bestsellers_healthUK_Sep2023 AISITSY Optical Trial Lens Frame

AISITSY Optical Trial Lens Frame Eye Check Trial Frame Fully Adjustable Optical Frame for Optometry and Optician Glasses Testing and Fitting （50-80）

With a 1/2 inches IPS male threading

window frame perimeters and similar types of construction joints

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30 Pack 18 Inch Necklace Chain Stainless Steel Link Cable Chain Necklace with Lobster Clasps for DIY Jewelry Making

uxcell 9 Tooth Roller Sprocket B Type, #25 Chain, Single Strand 1/4" Pitch, 6mm Bore Black Oxide C45 Carbon Steel with Set Screws for ISO 04C bestsellers_healthUK_Sep2023 AISITSY Optical Trial Lens Frameuxcell 9 Tooth Roller Sprocket B Type, #25 Chain, Single Strand 1 4" Pitch, 6mm 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