50 Pcs Nuts for Square Tubes Replacement Inserts Sleeve Threaded Reducer

6 Pcs Cat Plaything Ball Sisal Ball Kitten Teaser Playing Chew Toys for. Threaded Inserts. The internal thread plug enhances the stability of the product. The four-sided welded nut improves the stability of the product.The square tube embedded nut, which makes installation and disassembly convenient.

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