Model | Type | Way of Drive | Square(in) | Hex(in) |
HDS | Heavy | Square Drive | 3-6 | 3-6 |
27-HDP | Pin Drive | 3-6 | 3-6 | |
20-HDP | Pin Drive | 3-6 | 3-6 | |
RTM4 | Medium | Square Drive | 2 1/25 1/4 | 3-4 1/4 |
20-MDP | Pin Drive | 2 1/2--4 1/4 | 3-4 1/4 | |
17-MDP | Pin Drive | 2 1/2--4 1/4 | 3-4 1/4 | |
RTS4 | Light -duty | Square Drive | 2 1/2--4 1/4 | 3-4 1/4 |