Stainless Steel FDA Silicone Washers Anti-Loosing & Surface Protection ZF-01

Features

1.  Precision-fit for standard & custom sizes: Available in multiple inner/outer diameters and thicknesses for exact compatibility.
2. Material-grade choice for functional needs:201/304 stainless steel for durability; food-grade silicone for non-slip cushioning.
3.  Protects glass lid during knob installation: Prevents glass cracking from overtightening and reduces metal-to-glass abrasion.
4.  Extends screw and knob service life: Maintains secure fastening over time under heat, vibration, and frequent use.