1,10PCS IN 1 SET: Including 10pcs pneumatic extension sockets, with different specifications, to meet different drive needs, and has good practicability. 2,SLOTS AND HOLES: With anti fall bolt fixing slot, bolt fixing wrench fixing hole, these sockets are stable in connection, safe and convenient to operate. 3,METAL MATERIAL: Made of chrome vanadium steel material, these pneumatic sockets are rustproof and corrosion resistant, and have a long service life. 4,STANDARD SIZES: These sockets have standard drive and mounting sizes, so the nut is easy to snap in, has a good fit, snaps tight and no slip. 5,APPLICABLE SCENES: This pneumatic socket set is suitable for home use, construction sites, mechanical work, automobile repair, woodworking and more. 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.