Mix of 20 Orange and Black Whistle Buckles (10 Orange / 10 Black) 5/8" (16mm) Side-Release, Single-Adjusting Orange and Black Whistle Buckle Side Release Buckle Single-Adjusting For 5/8" (16mm) webbing or straps. 1.9" (49mm) long x 0.87" (22mm) wide. 1.1" (28mm) wide counting whistle tip