Each Cooling Chamber is a solid aluminum block that surrounds inserted tubes to guarantee sustained hot or cold temperatures. 

Ideal Use: 384-well plates 
Holes: 384 in center, 10 on side (4 for 1.5ml tubes, 6 for 0.5ml tubes)
Dimensions: 6 1/8"L x 3 1/8"W x 1"H
U of M: Each