Product Info Catalog Hardware Builders Hardware Connection & Wire Goods U Bolt, #136, Zinc, 1/4 x 1-1/8 x 3-1/2-In. U Bolt, #136, Zinc, 1/4 x 1-1/8 x 3-1/2-In. Request a Quote UPC: 38613125766 SKU: 661520 Model Number: N222-109 1/4" x 1-1/8" x 3-1/2", #136 zinc u-bolt.