Features: This square drive socket adapter set is suitable for insertion handle in manual applications and when used with power tool. It improves your productivity. Each square head ensure secure attachment of the sleeve drill adapter and prevent unwanted slipping or falling out. This 1/4 hex to 1/4 socket adapter is selected from hardened and treated steel for long service life. It provide excellent strength and toughness and ensures long durability and performances. The hex to 1/4 drive adapter features a 1/4inch square tip 1/4inch hex with overall length of 2.5 inches. Suitable for a variety of tool and applications. This impact driver drill bit adapter is essential conversion accessory that allows you to easily convert a 1/4inch hex adapter into a 1/4inch square adapter. Specifications: Component:Stainless Steel Length:Approx.65mm/2.56inch Package Includes: 5Pcs Wrench Adapter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.