Dropper hardware is consummate for use near salt water, wet water and opposite wood paternal projects. canvass : Rated for both inside and open-air use. Superior corrosion to systematic steel, made with 100 % 18-8 -LRB- 304 -RRB- unsullied Steel, no coatings just unsullied through and through !. : Get the most out of your purchase ! . We distinct size packages so you wo n't have to worry about running out of hardware in the heart of your project. Dropper hardware is the best on the market and we stand behind our claim 100 % SPECIFICATIONS : Material : 18-8 -LRB- 304 -RRB- unsullied Steel Diameter : 1/4 '' Length : 3/4 '' Thread Size : 20 tpi Coarse Thread -LRB- criterial -RRB- Quantity : 100 pcs WARRANTY : Bolt Dropper Hex Bolts come with a 100 % Satisfaction Guarantee, if you have any problems we will replace them gratis of charge ! .