< Rotule special for Three toughed glass sheets with two air gaps : TF19 >
< Uniform Stress Rotules: TF20 >
< Countersunk head impervious barge joint >
< Floating head impervious barge joint >
< No-hole Fixed Rotule: TW1 >
< No-hole Fixed Rotule: TW2 >
< No-hole Fixed Rotule: TW3 >
< No-hole Fixed Rotule: TW4 >
< No-hole Articulated Rotule: TWJ1 >