A11- double grip flared handle
B2SD- Delivery DoctorTM straight back bolt together frame with 1 center strap
C6- solid aluminum nose plate 18"W x 9"D
D6SS- carefree "no flat" tire
E60- 60" frame extension
E1EB- ergo extruded stair climbers for disc brake hand trucks
BDC- disc brake system
E46E- 5/8" kick bar
E47E- self-retracting pull bar