Carbon Express Pin Nock Adapter for CXL and X Buster 1dz For Carbon Express CXL pro and X-Buster shafts. 17.6gr $20.00 Add Review Ask Question Product Description Reviews (0) Questions (1) For Carbon Express CXL pro and X-Buster shafts. 17.6gr Currently there are no reviews for this product. Is the size of this insert .234? These are for .284 shafts Similar Products Gold Tip Accu Point .246 1dz 100g $40.00 View... Skylon Points Combo 5/16 Dozen $15.00 View... Easton Carbon One Pin dz $20.00 View... Avalon Tryo points dz $12.00 View...