About this item 

• SAVE TRIPS TO THE STORE: Use the ABN Lock Washer 720-Piece Assortment Kit – Metric MM #6, #8, #10 and SAE Inch 1/4", 5/16”, 3/8” Star and Split Washers to replace broken or lost washers for applications that require added security; Toothed star washers ensure grounding on electrical and can improve ground connections for a utility trailer, can be used in auto restoring applications to keep nuts from unscrewing, and on kitchen cabinet installation of handles and pulls to keep them from turning 
• 3 STYLES IN 6 SIZES: Standard SAE and metric washer sizes measured from inner diameter (ID); Exterior Star Lock Washers – (50) #6, (50) #8, (50) #10, (40) 1/4", (30) 5/16”, (20) 3/8”; Internal Star Lock Washers – (50) #6, (50) #8, (50) #10, (40) 1/4", (30) 5/16”, (20) 3/8”; Split Lock Washers – (50) #6, (50) #8, (50) #10, (40) 1/4", (30) 5/16”, (20) 3/8” 
• BUILT TO LAST: Constructed from steel with a zinc-plated finish for maximum strength, longevity, and resistance to rust and corrosion 
• EASY STORAGE: Transparent 8.25” x 4.25” x 1.25” inch (21cm x 10.8cm x 3.2cm) clear plastic carrying case for easy transportation, safe storage, and quick organization; (18) 1.25” x 1.25” inch (3.2cm x 3.2cm) divided compartments that contain 3 styles (exterior, interior, and split washers) and 18 different sizes; Size chart is included 
• PACKAGE CONTENTS: Package includes (720) lock washers – #6, #8, #10, 1/4”, 5/16”, 3/8” internal star, external star, and split style + (1) storage case for your convenience