[Compatibility] This product can seamlessly adapt 1-1/4inch-7 male thread to SDS Max shank, convenient and easy to connect diamond coring drill bits for efficient drilling.[Easy to Use] This diamond core drill bit connect converter adopts user-friendly design and easy to use, simplifying your drilling process. It is designed for easy connection to smooth and efficient operation.[Steel Material] This 1-1/4inch-7 male to SDS max shank adapter relies on premium hardened steel construction for enduring and , ensuring long-term stable performance.[Safe Connection] This adapter adopts secure and stable connection and you can rest that your drilling tasks will be performed safely.[For Rotary Mode] This product is customized for use in rotary mode, which prioritizes and performance by avoiding hammer mode to protect your tools and workpieces.Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!Type:A:SDS MAX ShankColour:As ShownMaterial:40crPackage Contents:1 * Core Drill Bit AdapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.