The platform rocks on a central pivot with a fixed 7° throw. With digital setting and readout of speed and time, from 5 to 70rpm and 1 to 999 minutes. Platform size 235 x 235mm. Supplied with a non-slip mat. An accessory tier system is available giving two further platforms with 110mm between tiers. Maximum loading 3kg. Overall 240 x 300 x 165mm. Weight 5kg. For 230V 50Hz single phase supplies, 50W.