D-RING EXTENSION KITS: D-Ring Extender Loop and D-Ring 965018"LD 1" x 18" D-Ring Extender Hook and D-Ring 965018"HD 1" x 18" D-Ring Extender Loop and D-Ring Y-Lanyard 965018"LYD 1" x 18" Shock Pack With D-Ring Each End 9651-0 Shock Pack With Hook Each End 9651-1 Shock Pack With Hook & Loop 9651-2 Shock Pack With D-Ring & Loop 9651-3 Shock Pack With D-Ring & Hook 9651-4 Shock Pack With Dual Shocks. 620lbs. rated 9651-0HD