uxcell&reg; AC Fuel Line Plastic Spring Locking Coupling Tool 4 Pcs Product Name : A/C Spring Locking Coupling Tool;Suitable Tube Size : 3/8", 1/2", 5/8", 3/4" Each Size : 45 x 40 x 28mm / 1.8" x 1.6" x 1.1" (L*W*H);Material : Plastic Color : Red, Blue, Beige, Black Net Weight : 81g Package : 4 x Spring Lock Coupling Tool