24 Jan You're most likely over a double or triple stud. Double and triple studs (triple studs are much rarer) are installed around doors, windows, or anywhere the builder thought extra support was needed. Your tool's center-finding feature may detect a wide center zone rather than the center of double studs, but the. Stud Service Auction. Bidding on the 1st round of sires starts at 9am on Monday the 19th of February for four weeks. Please click the link below for auction terms and conditions: TERMS AND CONDITIONS FOR THE STUD SERVICES AUCTION. Welcome to Stanley Grange Stud. Set in the beautiful North Yorkshire countryside, Stanley Grange, formed in is now firmly established as one of the leading studs in the UK. Renowned for the breeding and production of Riding Ponies, Show Ponies, Show Hunter Ponies, Hacks, Riding Horses and Hunters. A number.