3/8" All Weather Biothane Long Line slip collar a load-rated (500lb) high strength

a load-rated (500lb) high strength polymer buckle with no metal springs or hinges

but designed for smaller mouths

The body of the dowel is drilled through the center with a rope running through it which allows you to put pressure on the dowel while it is in the dog's mouth during proofing of the dumbbell hold

Comfortable rubber handle

Light weight and available in 3 colors in your choice of 6mm or 8mm diameter nylon rope

3/8" All Weather Biothane Long Line slip collar a load-rated (500lb) high strengthMade from 3 8" BioThane Beta 520 Available with brass or stainless steel clasp Completely waterproof Available in 4 colors. [split] RedLine K 9 All Weather Long Lines are made with Super Heavy 520 Biothane and do not absorb water or rot. With a break strength of 375 pounds, Biothane is the gold standard for all weather long lines. Offered in 4 colors and finished with a solid brass or stainless steel clasp. Available with or without a handle.