Garmin TT 10 Collar Strap Red. Twenty-seven inches long the nylon collar has a nickel plated square buckle and collar keeper and has holes spaced to fit most dogs. Five colors available: black red blue green and orange. Specifications for Garmin TT 10 Collar Strap: Manufacturer: Garmin Size: 1 in Fabric/Material: Nylon Package Contents: Garmin TT10 Dog Collar Strap Garmin 010-11892-02: TT 10 Collar Strap Red