The super quick-release model can be used directly by putting the sleeve on, and there is no need to tighten screws to replace it, which is more convenient. Sockets are M5//M3, 3 specifications. This is a one-way bearing socket wrench with compact structure and easy to carry, which can facilitate quick disassembly and assembly of players, and the extended base plays a protective role. The hardness is good! The small and exquisite set is light, very suitable for outdoor use. Item Name:M5 Screw Nut Wrench Colour:Black Material:alloy Size:Screwdriver bit size:1.5mm/2.0mm Package Contents: 1 * M5 Quad Wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.