This manual hydraulic A/C hose crimper kit comes with 7 snap‑on interchangeable dies to fit various A/C hose specifications such as #6 SRB, #6‑8 SRB, #8, #10, #10 SRB, #12 and #12 SRB. Powered by hydraulic cylinder, it outputs stable 45KN crimping force. High‑strength zinc‑alloy main body together with precision sealing system guarantees tight leak‑proof crimped joints. Snap‑on dies support tool‑free quick swap; users only need to turn hydraulic valve and operate handle to complete crimping procedures. Compact integral build works well in confined spots, and the matched hard carrying case keeps tool and dies organized for convenient transport and on‑site automotive air‑conditioning repair.