# Hammer Black Widow - Gold

> Bowling ball — data from CarryDown (https://www.carrydown.com/balls/hammer-black-widow-gold/)

- Brand: Hammer
- Last updated: 2026-08-03
- Availability: current
- Released/approved: 2017-07-11
- Coverstock: [Semtex Pearl](https://www.carrydown.com/brands/hammer/coverstocks/semtex/) (pearl)
- Core: [Gas Mask](https://www.carrydown.com/brands/hammer/cores/gas-mask/) (asymmetric)
- Intended condition: Medium-heavy oil
- Factory finish: 500/1000 Abralon TM Polished w/ Powerhouse Factory Finish Polish
- List price (MSRP): no manufacturer price found
- USBC approved: yes (2017-07-11)
- PBA certified: yes

## Specs by weight

| Weight | RG | Differential | Int. Diff |
|---|---|---|---|
| 16 lb | 2.51 | 0.048 | 0.016 |
| 15 lb | 2.5 | 0.058 | 0.016 |
| 14 lb | 2.5 | 0.056 | 0.016 |
| 13 lb | 2.56 | 0.03 | 0.016 |
| 12 lb | 2.63 | 0.025 | 0.016 |

## Description

The Gold Standard Hammer's Black Widow Gold
We’ve taken our most angular coverstock and combined it with our most angular core to give you motion where you want to see it the most, the backend. If you miss out on this one, it’s going to come back to bite you! 
With Hammer’s patent-pending carbon fiber outer core.