TANK® M4 Push Sled Kensui Tailor your blue light protection

Tailor your blue light protection with clear

Feel better faster with the only neck therapy tool that targets and treats the root cause of neck pain

Engineered to meet the demands of high-traffic facilities

Extension pin

TANK® M4 Push Sled Kensui Tailor your blue light protectionThe TANK M4 continues the evolution of this unique push sled on wheels. The core technology that makes all TANK models unique is that unlike resistance sleds, they can be run indoors or outdoors on any surface without gouging. Also on all TANK models the resistance increases the faster you push it, so each user can choose their resistance on the fly, without stopping to load or unload plates. New Features on the M4: Resistance The wheel resistance or