Made of stainless steel material, this set of extender chains is eco-friendly and safe. Perfect for using on necklace, bracelet and jewelry making supplies. The chain extender set is in 4 different length, different sizes to meet your different needs. Features - ColorAssorted Color - Material: Stainless steel. - Size: Approx. 50mm/75mm/100mm/150mm. - Shiny looking: Plated surfaces lobster clasps, beautiful as decorative accessories for jewelry. - Quick to connect: Features the lobster clasp, effortless to connect most jewelry clasps, make your handmade necklaces, bracelets process easier. - Sturdy material: stainless steel, have strong holding strength to keep jewelry more secure; Easy to store and carry these small extender chain. - These are good choices for DIY jewelry findings making, easy to put on or take off, convenient to use and enable you to add the length of your jewelry easily. - The extender chains set includes length of 50mm/75mm/100mm/150mm, each kind length for three pieces. Warm Tip: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 12 x Extender Chain