Made of Stainless steel which assure cleanliness and corrosion-resistance. 2-way switch design for easy forward and reverse rotating operation. Compact Nylon holder with belt clip for easy carrying and storage. Mini ratchet wrench gets into smaller and tighter spots easily. The stainless bits and bits extending holder can be connected with power tools as well as pneumatic tools All materials fulfill Environmental Protection Requirement. Suitable for using in car, office, outdoor, narrow area, boat, skiing, water-motor, DIY repair, dust-free room and rough environment.