Comparison : Item # 1391-14 EE (1/4") ZP, 1/4" Eye Bolt with 1/2" ID Eyelet
Item # 1391-14 HH (1/4") ZP, 1/4" Eye Bolt with 1/2" Open Eye Turnbuckle
Item # 1391-38 EE (3/8") ZP, 3/8" Eye Bolt with 5/8" ID Eyelet Turnbuckle
Item # 1391-38 HH (3/8") ZP, 3/8" Eye Bolt with 5/8" Open Eye Turnbuckle