15 Sets M8x30mm Furniture Screw Nut,M8x20mm Threaded Inserts for Wood,Connector Bolts and Nuts Set,Flat Head Allen Screw-in Nuts,Hex Socket Drive with Wrenches. 🔩【𝐃𝐢𝐦𝐞𝐧𝐬𝐢𝐨𝐧𝐬】: 1-- Insert nut: M8x20mm, inner hole ：8mm, thread dia: 13mm, overall length: 20mm.
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