18 sets black Metal bra strap adjuster Tri Glide slider sliders o ring 1/2”

Opening is 1/2” wide (see photo on ruler.). O rings are coated and slightly thicker than sliders but both have 1/2” opening.

Wide Mouth Strap Sliders - (Extra Wide) For thicker straps (2 Pieces) - Emmaline Bags Inc.

10/20Pcs 20-50mm Metal Adjust Buckles Tri-Glide Clasp Bikini Bra O Ring Sliders Strap Buckle Belt Hook Garment Sewing Accessory - AliExpress

Hook & Eye Fastener Set Online Instruction Manual

Bra Strap Hardware

Adjustable Tri Glide Slider O Ring Metal Bra Coated Strap Adjuster Price

Bra Strap Hardware

10/20Pcs 20-50mm Metal Adjust Buckles Tri-Glide Clasp Bikini Bra O Ring Sliders Strap Buckle Belt Hook Garment Sewing Accessory - AliExpress

10/20pcs 18/24mm Metal Tri-Glide Hook Buckles Webbing Underwear Bra Strap Adjuster Clasp Slider DIY Ring Belt Buckle Accessories

Metal Slides Tri glides Roller Pin Buckles Strap Adjuster - Temu

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