Description
The Proto J4990-SMA is a metric hex bit socket set with a 3/8 in drive, sold as a set of 7 pieces. The seven sockets cover 4, 5, 6, 7, 8, 9 and 10 mm hex sizes. The manufacturer describes them as short metric hex bits for working in tight spaces.
Per the manufacturer, the tools are made of alloy steel with a polished chrome finish. A 6-1/4 in socket bar and a socket clip are included. Sold as a set of 7 pieces.
Features
- Metric hex bit sockets, 3/8 in drive
- Sizes: 4, 5, 6, 7, 8, 9 and 10 mm
- Short bits for working in tight spaces, per the manufacturer
- Alloy steel, polished chrome finish, per the manufacturer
- Includes a 6-1/4 in socket bar and a socket clip
- Sold as a set of 7 pieces
Specifications
| Specification | Value |
|---|---|
| Model | J4990-SMA |
| Type | metric hex bit socket set |
| Drive size | 3/8 in |
| Hex sizes | 4, 5, 6, 7, 8, 9 and 10 mm |
| Contents | 7 hex bit sockets, one 6-1/4 in socket bar, one socket clip |
| Finish | full polish |
| Material | alloy steel (per the manufacturer) |
| Sold as | set of 7 pieces |
| Weight | 0.472 kg (converted from 1.04 lb) |
Part numbers
| Manufacturer part number (MPN) | Big Papa SKU |
|---|---|
| J4990-SMA | BP-G-PRO-4990SMA |

