700-Tiepoint Solderless Breadboard + 65 Jumpwires by Generic They allow electronic components to be interconnected in an almost endless number of ways to produce working circuits Because no soldering is required, modifying or revising the circuits can be done quite easily The breadboard consists of a set of formed metal sockets inserted into a durable plastic housing 700-tiepoint comes with 65 jumpwires Breadboard Size(L x W x H): Approx. 17.5 x 4.5 x 0.8 cm / 6.9 x 1.8 x 0.3 inch