Mug Pegs: 3-3/8”L, 3/4”W, 1/2”TD, 5/8”TL Northern Hardwood Width (W) is the size as measured across the width at the widest part. Length (L) is the size as measured from end to end. Tenon Diameter (TD) is the diameter to be fitted in the hole. Tenon Length (TL) is the length of the tenon. CAUTION!!! Do NOT drill tenon holes until you have all your parts. Sizes are nominal as per commercial wood turning tolerances to shrinkage and expansion.