340 Pcs Starlock Washers, Internal Tooth Quick Speed Locking Push On Clips Fasteners Washers Assortment Kit M3, M4, M5, M6, M8, M10, M12. (black/manganese steel)

【Premium Material】The washers are made of 65 manganese steel material with smooth edges, which is corrosion-resistant, high and low temperature resistant, and durable for long time use. 【Easy to Use】The quick speed locking washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard fixed, creating more friction and resistance to rotation. 【Easy to Store】All of push-on locking washers are packed in a sturdy transparent plastic case, which is easy to use, find, and carry, can also be used for a storage box. 【Wide Applications】The internal tooth washers are ideal for machinery equipment, industrial production of shock absorption and insulation, good for quick fixes, and make a repair very simple. 【What You Will Get】You will receive 340 pcs locking washers, in the size of M3, M4, M5, M6, M8, M10, M12, applicable to different sizes of fasteners, enough for your daily use.