The Teng TC-3 is an empty case on which you can build your original tool set. Purchase modules with Teng tools that meet your needs and then place them in the case. It can hold up to 3 modules (TT sets measuring 265 x 142 x 50 mm). The Teng case ensures the flexibility of the tool sets as well as their convenient and secure transport. The case is made of durable and lightweight plastic and is secured with a clip. Note: Tools are not included in the case and must be purchased separately.