
The B3D-STACK-D by Benchmark Scientific is a 10.5 x 7.5 inch stacking platform with autoclavable dimpled mat for Mini BlotBoy 3D Rocker (B3D1008) and compatible Benchmark small-platform 3D instruments. Adds a second working tier at approximately 2.75-3.0 inch clearance. Dimpled surface grips tubes. For flat-vessel applications, use B3D-STACK (flat mat variant).