BSA Bantam. It contains 4 studs as shown in the picture. This is a set of cylinder studs to fit the following motorcycles Not what you want?.
BSA Bantam stainless steel cylinder studs with nuts & washers, set of 4 (CH11)
BSA BANTAM C15 B25 B40 A50 A65 STAINLESS STEEL HANDLEBAR CLAMP BOLTS 65-5334
BSA Bantam Kickstart Lever Small Spline Fixed BSA Bantam D1/D3/D5/D7/D10/D14
BSA Bantam silver BSA Bantam supreme D10 replacement parts catalogue 1967 #
BSA BANTAM STEEL CLUTCH PLATES SET FOR D1-D10 3 SPEED MODELS A701
BSA Bantam D7, BANTAM SUPER Spare Parts Manual BP28 00-5079 1964