Plastic strap adjusters, sometimes called ladder locks, are a versatile and easy-to-use tool. Due to their durable design and resistance to moisture, they are great for outdoor use. Because of this, plastic strap adjusters are frequently used as backpack and day-bag shoulder strap adjusters. They can also commonly be found on light to medium duty utility straps and any other strap that may require periodic and convenient adjustments to its length
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