uxcell PF083A 8 Round Pins 35mm DIN Rail Mount Socket Base for MK2P-I AH3-3 Relay Product Name : Relay Socket Base;Model : PF083A;Fit for : MK2P-I Pin Quantity : 8;Total Size(Approx) : 5.1 x 4 x 2.1cm / 2" x 1.6" x 0.8" (L*W*H) Installing Hole Diameter : 4mm / 0.16";Mounting DIN Rail Width : 35mm External Material : Plastic;Main Color : Black Net Weight : 33g;Package Content : 1 x Socket Base