Garmin Wrist Fastener With Expander Strap (010-10713-00) Secure your Forerunner 205 or 305 with this hook-and-loop wrist strap with expander, Includes springs and tool Comes with two pieces. The wrist fastener is 260mm (10.23 in) and the expander strap is 189MM (7.44 in) Secure your Forerunner 205 or 305 with this hook-and-loop wrist strap with expander, Includes springs and tool