Martin Kaiser MK Plug Earthing Contact Systems Side Cable Entry Black 655 D8 RED MK Electric MK Electric UK Mains Plug, 13A Red, Cable Martin Kaiser MK Plug With Earth Contact Angle White 517 kws [5 piec 655 BLK MK Electric UK Mains Plug, 13A, Cable Mount RS. Screw you and experience a new level of pleasure with the M&K Screw Ridge Plug! Its unique spiral fin design allows for intense twisting sensations, while its velvety soft, phthalate free vinyl is gentle on your skin. This versatile toy can be used with all types of lubricants and is incredibly durable. Cleanse your M&K Screw Ridge Plug with warm, soapy water and an antibacterial toy cleaner for the ultimate hygienic experience! Get ready to explore your wildest desires with the M&K Screw Ridge Plug, ideal for those who like it deep and wide! Brand: M&K. Colour: Black. Size: Total Length 18cm, Insertable Length 17cm, Max Diameter 12cm, Max Circumference 38cm. Material: Vinyl (Phthalate Free). Waterproof: Yes.