STEP WRENCH 1/2" SIZE 9,6/ 11,6/ 12,6/ 16,4/ 21MM - YT-03316 Oil & Fluid Service This is a ratchet crimping

This is a ratchet crimping tool set with interchangeable jaws

The holesaws are made of the highest quality materials - HSS M3 high-speed steel teeth

The set includes six precision punches with dimensions of 1

Mechanism: ratchet action with adjustable setting (where equipped) to fine‑tune crimp pressure

STEP WRENCH 1/2" SIZE 9,6/ 11,6/ 12,6/ 16,4/ 21MM - YT-03316 Oil & Fluid Service This is a ratchet crimpingSTEP WRENCH 1 2" YATO YT 03316 Sizes: 3 8" (9. 6 mm) 29 68" (11. 6 mm) 1 2" (12. 6 mm) 21 32" (16. 4 mm) 27 32" (21. 0 mm) Drive Adapter Size: 1 2" (12. 7 mm) Material: Chrome Vanadium Steel (CrV) Surface Finish: Chrome plated, satin Application: Designed for use with internal ratchet YT 03315 Ideal for mounting connectors with external thread (nipples), heating valves, lower shut offs on radiator returns, and valve extensions Notch on both sides for