15 5/8 inch cross tube. Set of 2. This furniture repair part is used to add swivel motion to your favorite chair. These chair base cross tubes attach to a 10.25" swivel plate which can then attach to our 22", 24", 25.5" diameter ring base (not included) adding swivel motion to your furniture. Cross tubes come in 14 5/8" to 18 5/8" length. These are 1" square tubular steel with pre-drilled mounting holes. Listing is for 2 cross tubes only and does not include swivel plate or ring base. Contact Customer Service For Additional Information and Bulk Pricing.