Swpeet 140Pcs 16 Sizes Carbon Steel 3mm 4mm 5mm 6mm Round Ended Feather Key Parallel Drive Shaft Keys Set Key Stock Assortment for Fasteners Mechanical Industry industrial food grade-safe HDPE (High-density polyethylene) Size:130mm | 5"

Swpeet 140Pcs 16 Sizes Carbon Steel 3mm 4mm 5mm 6mm Round Ended Feather Key Parallel Drive Shaft Keys Set Key Stock Assortment for Fasteners Mechanical Industry industrial food grade safe HDPE (High density polyethylene) Size:130mm 5" food grade safe HDPE (High density polyethylene) plastic They are translucent opaque in color allowing you to see the contents and are refillable Top rack dishwasher safe The bottle measures 7 Chlorine dioxide test strip is used to test water quality without the use of field kits or reagents 0 to 500 ppm range 50 strips packaged in a moisture wicking bottle and a water resistant label and color chart Desiccant vial with flip top lid preserves freshness of strips New and improved packaging each bottle now has the lot number and expiry date printed on it to ensure compliance with the most stringent requirements Read more Chlorine dioxide has a higher oxidation capacity than chlorine or ozone 5mm: 40Pcs Premium Material Our Key Stock are Made of high quality Carbon Steel for stable and durable use