1 set bevel gearStrong and SturyStrong Wear ResistanceHigh TorqueLow NoisePRODUCT DETAILSProduct name: Bevel gearProduct material: 45# steelTransmission ratio: 1:1.5,1:2,1:3,1:4,1:5,1:6,1:7,1:8Tooth floor treatment: High frequency quenchingEngagement angle: 90°Note: The following dimensions are for reference only, please talk to the actual size.(Unit: length/mm, weight/kg)