Includes: 1 tool, 20 sets of screw models, 60 sets of standard models, 3 head shapes, and a complete set; no extra accessories required. Compact tools are easy to transport and store. Strong and durable: The buckle tool is tightly assembled and resistant to bending or deformation, ensuring a secure fit and preventing buckle slippage. Rustproof: Made of stainless steel for ships and rough maritime environments. Delivers a secure, durable hold so your gear stays in place even in flowing water. Wide compatibility and use: Metal buckles suitable for canvas, waterproof fabrics, tents, shade sails, clothing, and furniture. Performs reliably indoors or outdoors. Use scenarios: - Camp or outdoor setup: secure tarps and tents to withstand wind and movement. - Marine applications: reinforce boat covers and gear against splashing and waves. - Home and outdoor gear: secure outdoor furniture covers or heavy-duty clothing and gear.