MK plug with sprung sleeved pins Kreg Micro Round Wood Pocket Hole Plug .375 in. Dia. x 1.875 in. L 65 all McK Plugs Martin Kaiser MK Plug Side Cable Entry Earthing Contact System Arctic Martin Kaiser MK Plug Side Cable Entry No Earthing Contact Gold 599. 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.