The 388D-2 is a long pips with lower speed and less friction than the 388D-1. Developed to be more durable.
Speed (Revspin): 5.3/10
Spin (Revspin): 4.0/10
Control (Revspin): 9.1/10
Reviews: https://revspin.net/pips/dawei-388d-2.html
ITTF Info: https://equipments.ittf.com/#/equipment_preview/racket_coverings/3257