Side Release buckle with side squeeze opening, clicks on closure. and a Ladderlock feature on one side, which is used for easy adjustment.
Pack 2 x 25mm Side Squeeze Quick Release Buckle Clips RS
The side release buckle is available in 3 different sizes and each size will come with 1 male and 1 female piece.
Webbing Adjustment Side Release
Metal Quick Side Release Buckle Antique Bronze Quality Webbing Bag Clip 1 Flat Lock Belt Strap Backpacks Collar Pack of 1 Buckle
25mm Delrin Curved Side Release Buckles x 10 - Webfittings
Webfittings
Quick Side Release Buckle for 1 inch/25mm Webbing Straps, Replacement Buckle 1 Wide Inside, Heavy Duty Plastic Buckles Dual Adjustable No Sewing Clips for Boat Cover Luggage Strap Pet Collar Backpack
Everbilt 1 in. Side Release Buckle 822651 - The Home Depot
Side Release Buckle – Lonsdale Leather
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Buckles for Straps 2: Side Release Buckle Plastic Clip 2 set + Tri-Glide Slide 4 pcs Fit 2 inch Wide Nylon Strap Webbing Belt, Heavy Duty Replacement for Backpack Parachute, Dual
10mm Black Delrin Plastic Side Squeeze Release Buckle x 10 - Webfittings
40mm Side Release Buckles - Webfittings
Pack 2 40mm Side Quick Release Buckle Clips