1. Good sealing performance: The precisionmachined caulking nozzles come in various sizes. The connector accessories are compatible with glass glue, sealant, epoxy adhesive for tiles, structural adhesive (sausage type), and various silicone joint sealing guns, meeting filling requirements for different angles and distances with sealing performance. 2. Precision design: Our seamfilling nozzles feature a 45degree angled tip to accommodate everyday column needs. The independent protective cap prevents clogging and waste. 3. Stainless steel and silicone: The sealing nozzles are crafted from quality stainless steel, offering easier shaping and greater convenience compared to plastic. They are wearresistant, nonstick, drip, durable, and reusable for longterm use. 4. Detailed dimensions: 22piece set: This package includes 16 sealed nozzles in sizes of 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 18 mm, 20 mm, 23 mm, 25 mm, 28 mm, and 30 mm, along with 6 connectors. This thoughtful and comprehensive combination caters to all your filling needs.