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 Manufactured from AISI 420 Premium

Manufactured from AISI 420 Premium Quality stainless steel

With a 1/2 inches IPS male threading

Identification labels included to easily see wrench sizes

Has been keeping the blue one from the pharmacy since 1959 with guaiazulene derived from chamomile and lanolin is blue but don't worry it doesn't stain

(2) Reinforced Stabilizer Ring Our open-patella design relieves stress in the knee area

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 Manufactured from AISI 420 Premiumuxcell 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