#40 Roller Chain Sprocket B Type 5/8" Bore Rust Prevention Hardened 10 Tooth 5/8" Bore 10 Tooth Apply #40 Roller Chain home2022 and handed down from generation

and handed down from generation to generation

23% Spandex 77% Nylon

We recommend taking 2 capsules per day with plenty of liquid

Hooded frame to prevent pollen from entering

-Please use the lamp type specified in the instruction manual

#40 Roller Chain Sprocket B Type 5/8" Bore Rust Prevention Hardened 10 Tooth 5/8" Bore 10 Tooth Apply #40 Roller Chain home2022 and handed down from generation#40 Roller Chain Sprocket B Type 5 8" Bore Rust Prevention Hardened 10 Tooth Product Features Size : Roller Chain Sprocket 12. 7mm (1 2") Pitch,10 Teeth,5 8" Bore Diameter, 0. 187" Keyway with 2 Setscrews at 90 degrees,B Type. Material: Sprocket is made of AISI 1045 Medium Carbon Steel, gear part of high temperature quenching heat treatment, high hardness, Harden Teeth at HRC38 42,wear resistance. Feature: Sprocket tooth surface hardening treatment,