What tool can I use to unscrew a screw with a square shape hole? I want something like an Allen wrench because it's blocked by the sink so there's very little space. -
![Eapele Bolt Extractor Set, Stripped Nut Remover Twist Sockets, Fit 3/8" Square Drive with Solid Storage Case (13pcs, Black) - Amazon.com Eapele Bolt Extractor Set, Stripped Nut Remover Twist Sockets, Fit 3/8" Square Drive with Solid Storage Case (13pcs, Black) - Amazon.com](https://m.media-amazon.com/images/I/716Q+AIy18L._AC_UF894,1000_QL80_.jpg)
Eapele Bolt Extractor Set, Stripped Nut Remover Twist Sockets, Fit 3/8" Square Drive with Solid Storage Case (13pcs, Black) - Amazon.com
![Impact Nut and Bolt Extractor Set Damaged Removal Extractor Twist Socket Tool Removal Socket WrenchTool Kit with Case Impact Nut and Bolt Extractor Set Damaged Removal Extractor Twist Socket Tool Removal Socket WrenchTool Kit with Case](https://ae01.alicdn.com/kf/S8558b456f5e74765aa22d3f7268bdad9O.jpg?width=800&height=800&hash=1600)
Impact Nut and Bolt Extractor Set Damaged Removal Extractor Twist Socket Tool Removal Socket WrenchTool Kit with Case
![Amazon.com: THINKWORK Lug Nut Remover, 5 Pieces Wheel Lock Removal Kit for Removing Stripped, Damaged, Frozen, Rusted, Rounded-Off Bolts, Nuts & Screws : Automotive Amazon.com: THINKWORK Lug Nut Remover, 5 Pieces Wheel Lock Removal Kit for Removing Stripped, Damaged, Frozen, Rusted, Rounded-Off Bolts, Nuts & Screws : Automotive](https://m.media-amazon.com/images/I/71WXwzSSE9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: THINKWORK Lug Nut Remover, 5 Pieces Wheel Lock Removal Kit for Removing Stripped, Damaged, Frozen, Rusted, Rounded-Off Bolts, Nuts & Screws : Automotive
![11pc METRIC 3/8" SQUARE DRIVE BOLT EXTRACTOR SOCKET SET STUD NUT 8-19mm with case ,Jikkolumlukka - Amazon.com 11pc METRIC 3/8" SQUARE DRIVE BOLT EXTRACTOR SOCKET SET STUD NUT 8-19mm with case ,Jikkolumlukka - Amazon.com](https://m.media-amazon.com/images/I/71h6jPXE4wL._AC_UF894,1000_QL80_.jpg)