50 PCS/pack 4.6mmx300mm self-locking 304 stainless steel zip ties high anti rust, corrosion-resistant, heat-resistant zip ties

Conversions Tech Heavy-Duty Stainless Steel Self-Locking Cable Ties Built for uncompromising performance, Conversions Tech stainless steel cable ties deliver maximum strength, safety, and durability for the most demanding applications. Featuring an advanced self-locking ball bearing mechanism, these heavy-duty metal zip ties provide a permanent and tamper-resistant fastening solution, trusted by professionals in automotive, aerospace, marine, construction, and industrial environments. Key Features & Benefits Secure Self-Locking Design: Equipped with a ball-lock mechanism for consistent, high-strength fastening that won’t loosen under vibration, heat, or pressure. Extreme Weather & Corrosion Resistance: Constructed from premium 304 stainless steel, resistant to UV, saltwater, and harsh chemicals for reliable outdoor and industrial use. Exceptional Tensile Strength: Engineered to withstand up to 485 lbs (220 kg) depending on strap width, ensuring secure bundling in heavy-dut