1,This set of shock absorber is made of metal. 2,Easy to install and replace the old ones on your truck. 3,Come with the spare springs. 4,Smooth and excellent damping effect. 5,Replacement for 1/10 Tamiya CC01 Remote Control Crawler Off-road Car. Feature: This set of shock absorber is made of metal. Easy to install and replace the old ones on your truck. Come with the spare springs. Smooth and excellent damping effect. Replacement for 1/10 CC01 Remote Control Crawler Off-road Car. Specifications: Item name: Remote Control Car Shock Absorber Material: Metal Color: Orange Quantity: 4pcs Shock Body OD: 10mm Spring Body OD: 15mm Shaft Diameter: 3.5mm End Rod Hole: 3mm End Rod Width: 7.5mm Spring Diameter: 1.0mm Hole to Hole: 120mm Overall Length: 131mm Travel Length: 38mm Package information: Package size: 15 x 10 x 2cm Package weight: 102g There might be some deviation due to manual measurement. Package list: 4 x   120mm Shock Absorber 1 x   Some Other Parts 4 x   120mm Shock Absorber 1 x   Some Other Parts Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.