Facts as the maker states them, read 14 Oct 2026
Undersized training balls listed as 7 inch / 3.5 oz (DTS-7Y) and 7.5 inch / 4 oz (DTS-7.5). The page says they help hitters of all ages develop consistent contact.
| Type | Undersized training ball |
|---|---|
| Weights | 3.5 oz; 4 oz |
| Sizes | 7" / 3.5 oz; 7.5" / 4 oz |
| Ages | hitters of all ages |
| Training goal | Contact and barrel accuracy |
| Maker SKU | DTS-7Y; DTS-7.5 |
| The maker says |
|
| Source | diamond-sports.com, product page, read 14 Oct 2026 |
Pat's Grade one person's opinion, with the reason
Patrick has not graded this line yet. A line not handled yet says Not yet graded, never a low grade.
We have no dealer or affiliate relationship with Diamond. If that changes it will say so here, and the grade will not move. How we grade
Evidence public reviews and break reports, with links
Public reviews of Diamond are thin. They are gathered by maker; each source says which product or line it covers.
What "buyer reports" means
Public review counts and themes we found for this maker, with links, plus break reports sent in by site users. Where we found nothing public we say so.
- JustBallGlovesRetailer ratings: Baseball Series C325 catcher's mitt5.0 of 5, 1 reviewBuyers like: Single brief positive review with no detail
- JustBallGlovesRetailer ratings: Fast Hands training glove5.0 of 5, 1 reviewBuyers like: Parent of an 11-year-old travel player says hand speed and ball handling improved with regular use
- JustBallGlovesRetailer ratings: Fastpitch Series F315 youth catcher's mitt (softball)0 reviews
- Baseball MonkeyRetailer ratings: Diamond training balls (DMBP, TPM-9, 9 in foam)0 reviews
- WalmartRetailer ratings: 9 in foam practice baseballs, 6-pack0 reviews
Also checked, with no ratings or themes to report: JustBallGloves.
Break reports from players on this site
0 break reports so far.