SOPRAS SUB Spearfishing Knife, Black Coating, Stainless Steel Scuba Diving Knives with Rubber Straps, Sopras TEC 4 1/4"(108mm) S.S 420 J2 BLADE POINTED TIP 2 5/8" SERRATED EDGE EASY TO DISASSEMBLE FOR MAINTENANCE QUALITY RUBBER STRAPS STAINLESS STEEL 420