H A ND-ARM VIB R A T I O N · M O N I T O R E D P R O D U C T S · SDS-plus SOLUTIONS FOR CONSTRUCTION APPLICATIONS When you decide to choose a Heller drill bit you join with the choice of your fellow professionals. More than 160-years experience in drill bit production confirms our principles, which are directed exclusively to the needs and requirements of our customers. ̈ Highest product quality to ensure continued customer satisfaction ̈ Innovative product developments for faster, better and more reliable results ̈ Solutions for all "professional applications on the building site" ̈ Highest technological manufacturing and testing equipment supported by best quality material specifications ̈ Product design and packaging: Clear and self explanatory ̈ Easy product selection through clear and easy to follow colour code system ̈ Sets and kits offered at competitive prices used in campaigns and promotions ̈ Outstanding price performance and flexibility