# Hammer Widow Spare - Blue / Orange / Smoke

> Bowling ball — data from CarryDown (https://www.carrydown.com/balls/hammer-widow-spare-blue-orange-smoke/)

- Brand: Hammer
- Availability: current
- Released/approved: 2018-04-24
- Coverstock: Polyester (polyester)
- Core: Gas Mask
- USBC approved: yes (2018-04-24)
- PBA certified: yes

## Specs by weight

| Weight | RG | Differential | Int. Diff | Mass Bias |
|---|---|---|---|---|
| 16 lb | 2.5 | 0.049 | — | — |
| 15 lb | 2.48 | 0.058 | — | — |
| 14 lb | 2.51 | 0.058 | — | — |
| 13 lb | 2.63 | 0.035 | — | — |
| 12 lb | 2.66 | 0.036 | — | — |

## Description

Now Hammerheads have a performance polyester option to put in their bags. The Widow Spare, featuring the legendary Gas Mask core, is perfect for hammering spares, or taming tough conditions when other balls hook too much.