Jacobs Ladder Pins and Strap Bolts with Nuts and Washers. This kit is for Ladders using the 1/2" Pin to Birdcage. Kit contains the following P/N's 2ea TD515ALONG Titanium Long 3/8" x 3.7" Q-Pin 1ea TD520BSHORT Titanium Short 1/2" x 1.3" Q-Pin 2ea COTTERRUE375 Quick Cotter Pins 3/8" 1ea COTTERRUE500 Quick Cotter Pins 1/2" 2ea HIL375NF1855 Titanium Hi-Lok Bolt 3/8-24 x 1.855" 4ea AN960-616L Steel Flat Washer 3/8 x .032" 2ea MS21042L6 Steel Moly Coated Hex Flange Jet Nut 3/8-24