Features Configuration: Right Angle Maximum Output Torque: 40Nm Number of Drive Stages: 2 Dimensions - W x D x H: 80 x 143 x 90mm Weight: 2.8Kg Maximum Shaft Diameter: 20mm Construction: Aluminium Lubrication: Grease (sealed for life) Custom Features Internal Declutch: Yes Mounting Options: Yes Gear Material: Steel Hollow Shaft Option: No Ratio: 15:1, 20:1, 25:1, 29:1, 35:1