Plastic rectangular buckle from ITW Fixlock Classic SR 1-1/4in SR 30-N-B
2-Pack, ITW 1 Quick Release Buckle
Black, 1-1/4, ITW, Sliders, Plastic
1 1/4 Inch Black Plastic Side Release Buckles
ITW Classic SR 101-0125 1-1/4 Tan Buckle, 1 buckle = 1 male + 1 female, For 1-1/4 straps
ITW Classic SR 1-1/4 (30mm) Tan Buckle
Buckle, Plastic, Side Release, 1 Inch
1 1/2 Black, Sliplock Tri-Glide Slide Buckle, Plastic, #SL-1-1-2 – Weaver Leather Supply
ITW Fastex Buckles and fasteners :: DDC Australia
Side-Release Buckles
Standard Side Release Buckle - Black Plastic Buckle Clip
5 pcs/lot Adjustable Plastic Buckle For Backpack Straps Luggage Outdoor Sports Bag DIY Pet Release Buckle 20mm 25mm 32mm 38mm - AliExpress
ITW Nexus Looploc 1-1/4 Ring Black 111-0125
YKK Flat Side Release Plastic Buckles - Black
For 1-1/4 straps, 2pcs = 1 female (body) + 1 male (latch)
ITW Fixlock Classic SR 1-1/4in Black
Side Release Buckles, Dog Collar Buckles, Webbing Buckles, Quick Release Buckles