Features 1、0.8 Module: This spur gear with 0.8 module can match perfectly with any gear that also has 0.8 module. 2、With 8 Holes: 8 hole design with small size and light weight enables free design and various assembly. 3、Flexible Uses: Enables extensive usage in intelligent robot, industrial machinery and equipment, etc. 4、Good Material: Premium aluminium material has been through anodic oxidation treatment, very durable. 5、3Pcs in 1 Set: Including 3pcs spur gear in 1 set, making the installation and replacement much easier. Specification Item Type: Spur Gear Material: Aluminium Surface Treatment: Anodic oxidation treatment. Centre Hole Size: Approx. 14mm / 0.55in Module: 0.8 Thickness: Approx. 4mm / 0.16in Module Number of Teeth 4312-0414-0045 45 4312-0414-0046 46 4312-0414-0048 48 4312-0414-0050 50 Package List 3 x Spur Gear