National Hardware N103-291 V34 Double Hinge Safety Hasp in Zinc plated, 4-1/2" 4 Inch - 1/2 Inch auspowers_batchfive The colors are very nice

The colors are very nice

the special optical lens design allows you to see the invisible obstacles through the lens

Normally it is fine to add 1-5 beads mixing balls to a bottle(it depends on the size of the bottle or the consistency of the liquid)

and put down the press switch

National Hardware N103-291 V34 Double Hinge Safety Hasp in Zinc plated, 4-1/2" 4 Inch - 1/2 Inch auspowers_batchfive The colors are very niceNational Hardware N103 291 V34 Double Hinge Safety Hasp in Zinc plated, 4 1 2" Whether for home, farm, builder or industrial customers, National has all the right hardware in the sizes and finishes you need. With over a century of service National is committed to maintaining the highest level of product quality, innovation and manufacturing technology. Providing a reliable barrier against unauthorized entries. Miniature solid brass hasps are a nice