Features These spacer assortments are made of high quality brass and stainless steel for durable and long service life. Well protected and sorted in a resealable clear plastic box for convenient transport and storage. Well made surface without burr, no harm and feels quite comfortable. This set contains female-female-male spacers in various sizes, screws and nuts. Waterproof, rust resistant and easy to clean, you can easily clean them with a cloth. Description: A distance is a fastener used to create distance between two objects, often positioning them correctly. In the world of electronic components and electronic hardware, spacers are usually used to spaced circuits boards, panels, doors or gears. FEMALE FEMALE FEMALE PLUG SPACERS IN VARIOUS SIZES, SCREWS AND NUTS ARE ALL INCLUDED IN THIS Specifications: Material: brass and 304 stainless steel. Set B: Distance between woman and woman: 25 pieces x M3 x 5 mm. 25 pieces x M3 x 10 mm. 25 pieces x M3 x 15 mm. 25 pieces x M3 x 20 mm. M3 x 6 mm screws x 50 pieces. Distance between man and woman: 25 pieces x M3 x 5 + 5 mm. 25 pieces x M3 x 10 + 6 mm. 25 pieces x M3 x 15 + 6 mm. 25 pieces x M3 x 20 + 6 mm. M3 nuts x 50 pieces. Box size: 17 x 9.5 x 2.3 cm / 6.69 x 3.74 x 0.9 inches. Set C: Distance between woman and woman: 25 pieces x M2 x 4 mm. 25 pieces x M2 x 6 mm. 25 pieces x M2 x 8 mm. 25 pieces x M2 x 10 mm. M2 x 4 mm screws x 50 pieces. Distance between man and woman: 25 pieces x M2 x 4 + 3 mm. 25 pieces x M2 x 6 + 3 mm. 25 pieces x M2 x 8 + 3 mm. 25 pieces x M2 x 10 + 3 mm. M2 nuts x 50 pieces. Box size: 13 x 6.5 x 2.3 cm / 5.11 x 2.56 x 0.9 inches. Package includes: 1 set x spacer assortment. Package List