Support or elevate your lab apparatuses and equipment with these laboratory jacks. These support jacks are constructed of painted aluminum and stainless steel. The scissor jack design enables height adjustment with a simple turn of the knob. 8″ x 8″ platform that can be vertically adjusted from a closed position of 3″ up to 11.75″. Maximum load capacity is 25kg. Shipping Details Shipping Type: parcel Free Shipping: true Specifications Maximum Age: 12 years Allergens: Contains No Allergens Certifications: Not Applicable Grade Level: Not Specified SUOM Description: Each Brand Name: United Scientific Description: Support Jack Dimensions: 8 x 8 in Platform Material: Aluminum and Stainless Steel