10pcs Titanium Masonry Drill Bit 7mm Concrete Drill Bit with Hex Shank Lab Bottles & Jars Once installed

Once installed

These knobs are easy to install

no need to search somewhere else

Overall Height: 40mm/1

but the total capacity for 4 casters is 45kg (calculated by 3 casters )

10pcs Titanium Masonry Drill Bit 7mm Concrete Drill Bit with Hex Shank Lab Bottles & Jars Once installed1. Made of quality carbide YG6X, the rust resistant treatment and reinforced head prevent the drill from cracking and provide longer service life. The oxygen nitriding treatment of the bit head improves the hardness of the bit 2. Concrete Drill Bits are designed with a U shaped chip discharge groove. This design ensures that all drill dust and chips are collected and released from the drill bit. 3. This 1 4 inch hex shank drill bits can be used on