●Material: Main, Lid, Shelf / non-charged ABS resin (Surface intrinsic resistivity 3 × 10 ^ 11 Ω (reference value)), Lump / Stainless (SUS303)●number of shelves: 4 stages●Shelf interval : 43 mm●shelf board Load tolerance: Approximately 2.5 kg / stage●Total Load tolerance: Approximately 10 kg●Weight (Including shelf board): about 1.8 kg●Accessories: shelf board x 2 pieces (non-charged ABS resin)●external dimension: 250 x 250 x 250 mm●inner size: 215 x 220 x 200 mm●* The silica gel plate is not included. (Recommended silica gel dishes: stainless square shape Bats 4-5309-01) ●Model Number: UD-1 ESD