Features:
High Quality: Stainless steel with rust resistant material to ensure life-time use, these quality assortment washers are perfect for home, automotive, and shop use.
Scientific Humanization Design: Open the case instantly easy to find what you might need. It also can be used as a storage box. The flat washer kit is very handy.
Safe & Convenient: Using high quality material, which is environmental friendly , non- mercury and non-poisonous. When using them, there are no toxic substances releasing to ensure your safety. The nice Flat Washer assortment kit has plenty of the popular sizes M2~M6, which will match all your need. 
Multi-function: Highly compatible with screws, nuts and bolts of same sizes and feature solid bearing surface to prevent nut/bolt head from tearing through material. Ideal for spread the load of a screwed fastening and prevent loosening in industrial, shop, decks and fence building, automotive and home appliances.
Save time & money: No need to search for dropped washers, just use one new washer. The 300 pcs washers and 6 different sizes will meet your maximal requirement.

Specifications:
Condition: 100% Brand New
Material: Stainless Steel
Color: showing as picture
Flat Washers:
Size: (Inner Diamter * Outer Diameter * Height  * Quantity)
2 * 5 * 0.3mm * 30pcs
3 * 7 * 0.5mm * 30pcs
4 * 9 * 0.8mm * 30pcs
5 * 10 * 1mm * 30pcs
6 * 12 *1.5mm * 30pcs
Spring Washers: (Size * Quantity)
M2 * 30pcs
M3 * 30pcs
M4 * 30pcs
M5 * 30pcs
M6 * 30pcs
Case Size(L x W): approx. 13 x 7cm / 5.12 x 2.76inch
Weight: approx. 102g

Package Included:
1 x 300pcs / pack Washer Set
1 x Case