These Weld On Square Block Hinges are perfect for heavy metal gates to prevent sagging. They feature stainless steel pins with ball bearings. They are available in sizes 4-1/2" Inches, 6" Inches, and 8" Inches, and are sold in pairs. 

Product Specifications:

• Weld On Square Block Hinges
• Stainless Steel Pin with Ball Bearing
• For use on heavy gates to prevent sagging
• Sizes Available: 
• 4-1/2" Inches
• Pin: 1/2"
• Weight Capacity: 400 lbs.
• Block Size: 1"
• Clearance: 1-1/4"
• Weight per pair: 3.5 lbs.
• 6" Inches
• Pin: 5/8"
• Weight Capacity: 600 lbs.
• Block Size: 1-1/2"
• Clearance: 2"
• Weight per pair: 7.8 lbs.
• 8" Inches 
• Pin: 3/4"
• Weight Capacity: 1200 lbs.
• Block Size: 2"
• Clearance: 2-1/2"
• Weight per pair: 19 lbs.
• Clearance is measured between gate and post when hinge is in closed position
• 2 Pack - Sold in Pairs