4 Inch Plate Swivel Movable Black Casters 4pcs Pack Polyurethane (PU) Casters with Precision Single Ball Bearing Medium Heavy Universal Wheels - 4pcs Self-lock Equipments ·The lock catch can firmly

·The lock catch can firmly lock the safety ladder·UTrough support system，Guarantee load bearing·Anti skid design of ladder foot，Guarantee stability·Anti twist trapezoidal rung，width41mm，spacing305mm

Multifunction:The rear part has a USB interface with an output power of 5V/1A

Jaw opening: 28mm

[SHORTDESCRIPTION] FEATURES:

Climbing ladder * 1

4 Inch Plate Swivel Movable Black Casters 4pcs Pack Polyurethane (PU) Casters with Precision Single Ball Bearing Medium Heavy Universal Wheels - 4pcs Self-lock Equipments ·The lock catch can firmlyShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Packing List Medium universal wheel * 1