Harness Leather Split Reins - 3 sizes Rockin W Ranch Saddlery Sale! from 8000 /per Size 3/4" 5/8" 1/2" Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. HARNESS LEATHER SPLIT REINS Amish Made, Heavy Oiled Quality Harness Leather with Water Loop Ties, and Heavy Tails. Avaliable in: 3/4" 5/8" 1/2" Qty available:8