PACKAGING: packed in aluminum plastic box, durable and easy to carry.
COMPONENTS: 9PCS, including hole opener 30, 40, 65, 80, 100mm. Connecting rod, positioning drill, screw.
MATERIAL: the cutter head is made of alloy YG8, which can be used for drilling cement wall, concrete wall, brick and so on.
THE USE OF OCCASIONS: can be used for opening brick walls when installing air conditioners, water pipes, water heaters, fume pipes, sewers, etc.
DESIGN : the shank of the connecting rod adopts SDS PLUS 300mm length design, which is convenient to use with four-hole electric impact drill. And SDS MAX 300mm length, which is convenient to use with round shank five-hole electric impact drill.