
Medium carbon steel investment casting with plated finish.
Match the numbers above with the ones shown in each of the photos below.

MODEL HK-0 PENTAGON HAND KEY
- Fits standard pentagon heads.
 - The socket cavity retains the head during removal, for ease in lifting the lid of a meter box from the frame.
 - The convenient hammer and pick ends assist in breaking ice and clearing debris.
 - A square shank is provided on the socket for applying extra torque.
 
| Trumbull Item No. | Model | Weight | 
|---|---|---|
| 367-4298 | HK-0 | 0.85 lbs. | 

MODEL HK-1 PENTAGON HAND KEY
- Fits standard pentagon heads.
 - Slot in socket operates T-heads of curb and meter stops.
 - The socket cavity also retains the head during removal, for ease in lifting the lid of a meter box from the frame.
 - The T-handle has a blunt rounded end for pounding, and a curved, tapered end to assist in breaking ice and clearing debris.
 
| Trumbull Item No. | Model | Weight | 
|---|---|---|
| 367-4331 | HK-1 | 0.60 lbs. | 

MODEL-HK-2 PENTAGON HAND KEY
- The HK-2 has two pentagon sockets, plus a tapered-end prying blade.
 - Socket 1 fits standard pentagon heads, and has a slot to operate T-head of curb and meter stops.
 - Socket 2 fits large pentagon heads.
 - Both sockets have cavities to retain the pentagon head during removal, for ease in lifting the lid of a meter box from the frame.
 - The tapered blade end is designed for prying, or for use as a chisel.
 
| Trumbull Item No. | Model | Weight | 
|---|---|---|
| 367-4332 | HK-2 | 0.90 lbs. | 

MODEL-HK-3 PENTAGON HAND KEY
- The HK-3 has three pentagon sockets, plus a tapered-end prying blade.
 - Socket 1 fits standard pentagon heads, and has a head retention cavity; it also has a slot to operate T-heads of curb and meter stops.
 - The other two sockets both fit the 1-1/16″ pentagon head used on Mueller meter boxes. One socket has the head-retention cavity to retain the pentagon head during removal; the other socket has the external lug which engages the lid recess. Both methods assist in lifting the lid of a meter box from the frame.
 - The tapered blade end is designed for prying, or for use as a chisel.
 
| Trumbull Item No. | Model | Weight | 
|---|---|---|
| 367-4333 | HK-3 | 1.00 lbs. | 










