Trichocereus pallarensis is extremely rare . This cultivar is Trichocereus pallarensis X tpm (trichocereus pachanoi monstrose) Clean cut , nice callous , ready to ship - you will receive this exact cutting pictured! 
all sides of the cactus are pictured, ruler is in inches for size reference.  This was fresh cut on Aug 11 and will be ready for you to plant upon arrival