Beastdrol for Strength, Hard Lean Mass, drys you out, less water retention.
Old DieselBolan for Larger Mass but with more calorie intake. Bolan feeds off of calorie intake,put a little more water retention,slightly.
Both will give you mass, just depend if you want more weight.
NEW Dieselbolan V2 is in between but now with lesser sides, if ANY.
Checkout needtobuildmuscle.com.