Description: One pair adjustable front/rear metal alloy shock absorber for 1/10 short course truck. Easy to install and durable in use.(including installation screws and nuts) The shock absorber will greatly reduce the shake and improve the stability when the RC cars are running at a high speed. Made of high quality aluminium alloy, compact and lightweight. Suitable for SLASH 4x4 HQ727 RC car spare parts. Specification: Material: Aluminum Alloy Spring Adjustable: 2.6cm/1.02inch. Hole to Hole Distance: 10.5cm/4.13inch. Package Includes: 1 Pair Metal Shock Absorber Damper 4 Pieces Screws 2 Pieces Nuts Images & Text: Please allow 1-3cm (0.4-1.18") difference due to manual measurement. Thank you for your understanding.