10pcs socket adapters(25mm/50mm) in a set. Spring loaded ball bearing can hold sockets firmly.<br><br><strong>Features:</strong><br>10pcs socket adapters(25mm/50mm) in a set.<br>Made of high quality material with high strength and durability.<br>Spring loaded ball bearing can hold sockets firmly.<br>Suitable for a screwdriver or electric screwdriver handle, etc.<br><br><strong>Specifications:</strong><br>Material: Chrome-vanadium Steel<br>Item Type: 25mm / 50mm<br>Item Weight: 104g / 3.68oz<br>Package Size: 14.5 * 9.5 * 1cm / 5.71 * 3.74 * 0.39in<br>Package Weight: 105g / 3.73oz<br><br><strong>Package List:</strong><br>5 * Pcs of 50mm Extension Rod<br>5 * Pcs of 25mm Extension Rod