Description: [Versatile Grinding Wheel Connector]: This product serves as a reliable grinding wheel connector, designed to enhance the efficiency of your motor-based polishing and grinding tasks [Steel Construction]: Crafted from steel, this connector rod ensures long last sturdy performance, making it ideal for heavy-duty use [Compact Size ]: With a length of 70mm, this connector is compact yet effective, allowing for easy handling and installation in various setups [Comprehensive Set Included]: The package includes a complete set to meet your needs, ensuring you have everything required for immediate use upon delivery [Wide Compatibility Range]: Designed to fit inner holes ranging from 5mm to 16mm, this grinding wheel shaft offers broad compatibility with different motor accessories and applications Specification: Material: Steel   Size Chart: Length:7cm 73033230:Inner hole:1cm/0.39inch 73033228:Inner hole:1.2cm/0.47inch 73033229:Inner hole:1.4cm/0.55inch 73033227:Inner hole:1.6cm/0.63inch Package Includes: 1 Grinding Wheel Shaft Adapter Note: Please allow slightly errors due to manual measurement and different monitors.