30*28*20mm One Piece Integrated ASA Waterproof Saddle Washer Cap

30*28*20mm One Piece Integrated ASA Waterproof Saddle Washer Cap. Integrated Waterproof Design: One-piece construction with dual-layer sealing for screw holes. UV Resistant Material: Made of UV stabilized modified polypropylene for outdoor durability. Anti-Rust Protection: Protects metal screws from corrosion and rust in harsh environments. Customizable Logo: Logo printing available according to customer specific requests. Versatile Application: Suitable for synthetic resin, color steel, polycarbonate, and glazed tiles. Curved Saddle Base: Designed to fit the wave crest surface of resin tiles perfectly. Multiple Size Options: Available in 30x28mm and 32x30mm base sizes with varying hole diameters. Flexible Connecting Strap: Features a flexible strap with adjustable length range of 18-22mm.