Sea to Summit Field Repair Buckle - Side Release, 1 Pin, 3-pack

One-pin side release buckles replace closures found on most top-loading backpacks, daypacks, messenger bags, PFDs, bike bags etc. They have one fixed end and one ladderlock end – the ladderlock allows you to thread through a webbing strap which can then be tightened or loosened.
Removeable, stainless steel pin with Phillips head
Replaces worn or broken buckles for a range of equipment
For backpacks, messenger bags, PFDs
Easy to install by lining up the buckle with the webbing loop, tighten the screw