Product Description THR-MB458 4 crank manual medical bed Specification: Size: 2100*970*500-750mm The ABS head foot board can be easily assembled and dissembled. There are anti-bump cushion devices on the corner of the bed frame for protaction against To wall or ect. Powder coated steel bed frame. Punching bed surface; Sixth-aluminium alloy guardrail, 5" caster. With I. V. Pole With 4 cranks; Function: Height adjustable 200mm; Back-rest lifting angle is 0-75° Knee-rest lifting angle is 0-40° Trendelenburg & Rev. Trendelenburg are 12°