2aad6ef1_Coasters_com___Model_Materials__WHAT_IT_IS_USED_FOR
[ITEM] Train Truck HO - Walthers HO Arch Bar Rigid Truck # 933-1010 [WHO MAKES IT] Walthers [WHERE TO GET IT] Local hobby store or OR www.walthers.com [WHAT IT IS USED FOR] 
Side friction/up stop wheels on cars of train - you need TWO of these per car - they are sold in pairs
Model Coasters.com - Model Materials
WHAT IT IS USED FOR