4mm Coupler - dingham.co.uk
2019-1-31 · Following considerable development work, a new 4mm version of the coupler is now available. Although both versions use the same principle of operation and look similar, the 4mm coupler is not merely a scaled-down version of the 7mm. It is, in fact, an entirely new design, developed specifically for 4mm layouts in 00, EM or P4/S4.
Get Price