1/4" Nock AvailabilityIn stock SKU 4701 Rating: 60% of 100 1 Review Add Your Review $1.00 Quantity : Add to Cart Add to Wishlist Add to Compare List Email Arrow Nocks Details Arrow Nocks1/4" Nocks (for 1/8" FG rod & 1/4" dowels). Used to connect shock cord to spars. Fit on Fiberglass rod sizes shown. Use nock inserts with Glasform tubing. Point the end of wooden dowels with a pencil sharpener.