| JBL Explorer 24 Series Spearshaft |  | | The 740 S Shafts are all made of 5/16 inch diameter hardened spring stainless steel and is 42 inches in length. Replacement shaft for the JBL Explorer 24 Series. | |  | | JBL Sawed-Off Magnum Series Spearshaft |  | | The 736 S Shafts are all made of 3/8 inch diameter hardened spring stainless steel and is 36 inches in length. Replacement shaft for the JBL Sawed Off Magnum. | |  | | JBL Competition Magnum Series Spearshaft |  | | The 740 S Shafts are all made of 3/8 inch diameter hardened spring stainless steel and is 40 inches in length. Replacement shaft for the JBL Competition Magnum. | |