Extra Long Socket Plug Electrical Screws M3.5x40 M3.5x50 M3.5x75 in 10s 20s 50s
M3.5 x40 (1 1/2") M3.5X50 (2") M3.5x75 (3"). ELECTRICAL SOCKET SCREWS. FOR USE ON NEW OR EXISTING SOCKETS AND SWITCHES AFTER TILING, PLASTERING, DRY LINING, CLADDING ETC, WHEN THE EXISTING SCREWS ARE NOT LONG ENOUGH TO REACH.