Our strain relief nipple assortment is suitable for sealing all threaded holes as well as for simple cable entry where no strain relief is required. This blind plug set includes various sizes (blind plugs M12 x 1.5, blind plugs M16 x 1.5, blind plugs M20 x 1.5, blind plugs M25 x 1.5, blind plugs M32 x 1.5, blind plugs M40 x 1.5, blind plugs M50 x 1.5) that perfectly match your requirements. The plug material protects all cables and wires in electrical installations from external influences such as foreign objects and liquids. Areas of application: Our sealing plug assortment is made of high-quality plastic and is used in various fields, such as machine and plant engineering, distribution boxes, junction boxes, and shipbuilding. Delivery contents: The Kalitec sealing plug set, also known as the strain relief nipple set, contains 220 pieces and is delivered in a practical assortment case. The Kalitec blind plug assortment of 220 pieces includes: 50 pieces of blind plugs M12 x 1.5 mm, 50 pieces of blind plugs M16 x 1.5 mm, 50 pieces of blind plugs M20 x 1.5 mm, 50 pieces of blind plugs M25 x 1.5 mm, 10 pieces of blind plugs M32 x 1.5 mm, 6 pieces of blind plugs M40 x 1.5 mm, and 4 pieces of blind plugs M50 x 1.5 mm.