Jeremywell #50 Roller Chain Sprocket B Type 1" Bore 12 Tooth auspowers_batchone You want the first layer

You want the first layer to be close enough to be squished a little

For nearly 50 years

Pivoting hinge prevents flipping to prevent damage to walls

Great helper for home handy man

000 switching cycle capability

Jeremywell #50 Roller Chain Sprocket B Type 1" Bore 12 Tooth auspowers_batchone You want the first layerJeremywell #50 Roller Chain Sprocket B Type 1" Bore 12 Tooth of Teeth: 12Bore Size: 1L. T. B: 1 inchMaterial: AISI 1045 Medium Carbon SteelOD: 2. 71 inchPitch Size: 5 8 inchRemark: Style: Black OxideType: Sprocket Product Features Bore Size: 1" Sprocket Part Number: 50B12 1045 Medium Carbon Steel meets ANSI and MARTIN Standard