TE50 hammer drill multi-functional efforts to avoid 

 5 kg cost-effective multi-functional hammer drill 
 Applications 
 Suitable for exterior, mechanical and electrical, utilities, equipment, elevator installation 
 Anchorage for small-diameter (18mm or less) 
 In masonry, concrete and light on the local modification broken chisel 
 Best hole diameter range 16 - 25mm 
 Hollow drill diameter up to 68mm, applicable to concrete and brick walls 
 Features 
 Lightest of the five hole hammer drill 
 Lightweight design, efficient performance 
 Super stability, long life 
 Variable speed electronic switch 
 Ergonomic rubber grip moderate size, comfortable operation