Ride-on mower grooved pulley GGP / Stiga / HondaGGP/Stiga models: TC 122 TCP 122 TCS 122 TCU 122 TCX 122 TCY 122TH4S 122THS 122THX 122TS 122Honda models:HF 2220HF 2620 (Not all models are listed above) Outer diameter: 75 mmShaft diameter: 20 mmHeight: 31 mm28 teethDon't hesitate to contact us for any information.Original manufacturer part.