BuxiuGK Pack of 140 Spring Keys Assortment with Storage Box, 15 Sizes 3-4-5-6 mm Round Ended Carbon Steel Key Springs Set

Material: carbon steel, wear-resistant and can withstand high pressure in high-speed applications, very durable for long-term use Package: 140 pieces spring key assortment (10 pieces 3 x 3 x 8 mm, 10 pieces 3 x 3 x 10 mm, 10 pieces 3 x 3 x 12 mm, 10 pieces 3 x 3 x 16 mm, 10 pieces 4 x 4 x 10 mm, 10 pieces 4 x 4 x 12 mm, 10 pieces 4 x 4 x 12 mm. 6mm,6mm,10 Stk 4*4*20mm,10pcs 4*4*20mm,10pcs 5*5*12mm,10pcs 5*5*16mm,10pcs 5*5*20mm,10pcs 5*5*25mm,5pcs 6*6*16mm,5pcs 6*6*20mm,5pcs K 6*6*6*25 mm, 5 pieces 6 x 6 x 30 mm Easy to store: they are stored in a transparent and sturdy storage box with compartments, stored separately, well organized, easy to carry and find, there is no confusion in the transportation process, and you can quickly find the size you need The round end spring button kit has experienced an accurate process, so they have smooth surface without blur, which touch smoothly and do not hurt your fingers during the working process Wide Applications Suitable for workshops, craftsmen, DIY, woodworkers and more. This versatile key set is helpful on many occasions and in many areas