Semroc Centering Rings Plywood BTH-52(LT-115)(29mm Motor Tube) to T-3.0"(2pk) RA-52H-3.0"P
Lite Plywood Material 3 Ply
2 pack
ID= 1.216 For BTH-52(LT-115) Motor Tube(29mm Motor Tube)
OD= 2.924 for 3" Estes Pro Tube
Thickness= 0.125"
Made in the USA