DescriptionAre you looking for professional and convenient screw and nut kits? Our products will be your good choice. Made of premium materials for excellent durability and practicality, suitable for many areas like PCB and flight controller stack building, different tools can meet your different demands.Features-Color:Black -Material:Nylon -Size:17.30X9.50X2.00cm/6.80X3.73X0.79in -Made of premium nylon material, these hex head screws and nuts are durable to use for long time. -Well-designed, with good stability and fastening, can bring much more convenience to your work. -Widely applied for PCB and flight controller stack building, motion sensor mounting, board building, controller board building, etc -The high-strength hex screw set has practical functions, different tools can meet your needs perfectly. -Strong and sturdy threaded design of the nylon hex spacer, easy to use, not easy to skid.