AR727410 Double Socket Buttn Head Screw 4x10mm (8)These high quality Double Socket Screws will provide direct replacements for your kit supplied items. Includes 8 x M4 x 10mm Double Socket Button Head Screw Features Precision manufactured for consistent fit and easy set up adjustments These screws feature a 2. 5mm hex on one end and a 2. 0mm hex on the opposite end allowing fit and removal from either end Supplied in packs of 8 so you always have a spare Specification: M4 x 10mm (Metric 4mm Diameter