31PCS Precision Pin Vise Micro Drill Bits Mini Micro Hand Drill Bit Tools Set Meters & Regulators Blue Sponge Material: High quality

Blue Sponge Material: High quality synthetic pored blue form

anticorrosion

high efficiency culture

Improves dissolved oxygen in your tank

Dimensions: 26cm x 17cm x 16

31PCS Precision Pin Vise Micro Drill Bits Mini Micro Hand Drill Bit Tools Set Meters & Regulators Blue Sponge Material: High qualityFeatures: Type: Core Drill Bit DIY Supplies: Woodworking Use: Wood Drilling For better durability and sturdiness. Suitable for drilling in tough material, including aluminium, cast iron, brass, copper, magnesium alloy, plastics, etc. Durable, strong and corrosion resistant The compact storage bag keeps tools organised and ready for use. It is easy to use, can be on the bench drill, can be used with DC, AC electric hand drill. Perfect accessory for