R-TECH 524425 Hex Threaded F-F Spacers Brass M4 20mm - Pack Of 25

R-TECH Hexagonal M4 Threaded F-F Brass Spacers - 7mm AF - R-TECH 524425, These 5mm AF hexagonal female to female spacers have M4 tapped holes in both ends. R-TECH 524425 Hex Threaded F-F Spacers Brass M4 20mm - Pack Of 25

Price: 31.20 from Rapid Online Rapid Electronics Ltd.