This breadboard will allow prototyping of projects prior to a more permanent assembly solution, it's ideal for hobbyists, students, Lab work or by any one who needs to test a circuit. A self-adhesive pad is attached to the rear of the breadboard, & consists of two sections; one section of 30 blocks of six rows labelled ‘A’ to ‘F’, & an identical section labelled ‘G’ to ‘L’ Can also be connected to AD-01 (BZ13P), AD-102 (AG10L), AD-101 (AG09K), or other AD-100 blocks. Dimensions: 42 x 83 x 10mm.