The OV & OVT overshots are designed for externally engage, pack-off, and pull a tubular fish and are available in a range of strength categories for jarring
The OK & OKT shot catch overshots are specifically designed to engage a fish too short to be engaged with normal catch overshots and where conditions prevent lowering the overshot past the fish. This tool will firmly engage a very short fish.
The sucker rod overshot is designed for engaging and retrieving sucker rods, couplings, and similar items from inside tubing strings.