ScubaLab test divers review the best scuba regulators of 2020, evaluating each regulator on a breathing machine and in the water.

A powerful, rust-proof cutter at a reasonable price, the IST Sports Line Cutter was our Best Buy for cutting tools in the 2020 ScubaLab Knife review.

With solid performance at a below-average price, the Seac EQ-Pro was our Best Buy for BCs in the 2020 Scubalab BC test.

An aggressive cutter that can saw safely through entanglements even in tight quarters, the Tekna Ocean Edge it was our Testers Choice in the 2020 ScubaLab Knife review.

Stable, comfortable and ruggedly built, the Scubapro X-Black was our Testers Choice for jacket and hybrid BCs in the 2020 Scubalab BC test.

Lightweight, stable and a favorite of test divers, the Tusa t-wing was our Testers Choice for backplate and wing BCs in the 2020 Scubalab BC test.

Compact, corrosion-resistant and eager to cut, the Spyderco Salt 2 Wharncliffe was our Testers Choice for dive knives.

Versatile, stable and comfortable, the Cressi Scorpion was our Testers Choice for back-inflation BCS.

ScubaLab reviews 15 new scuba BCDs—or BCs—on comfort, streamline, ease of setup and more to evaluate the best BCDs of 2020.