SODIAL(R) 4mm Thread End Bicycle Tire Valve Core Wrench Spanner Repair Tool Product Name : Tire Core Inside Wrench;Material : Metal Main Color : As Picture Shown;Thread Diameter : 4mm/0.16" Dimension : 5.2 x 2 x 0.5cm/ 2" x 0.8" x 0.2" (L*W*T) Weight : 14g Package Content : 1 x Tire Core Inside Wrench