Feature

●Uses: Concrete, blocks, mortar, gypsum board, marble
●Note: Please use only the specified electric drill. To install or remove the drill bit, make sure the start switch is turned off and unplug the drill bit. Insert the electric drill into the bottom of the chuck part and tighten firmly to avoid shaking or falling off. Please drill a hole at a right angle to the object
●Blade diameter: 0.1 inch (3.5 mm)
●Effective length: 2.0 inches (50 mm)
●Total length: 3.3 inches (85 mm)
●Quantity: 5
●BN type straight shank

Description

For concrete, block, mortar, gypsum board, and marble.