The quality of connections is supper consistent. The contacts are perfectly aligning with the holes; NO power fluctuation across the boards; Wonderful selection of the breadboards which fit to various electronic DIY projects and electrical experiments, including Arduino Quality certified; Fit for 21-32 AWG (0.2 - 0.7MM) wire Retain perfectly the DIP switches, 7-segment, tactile switches, certain ICs, displays, or other devices even with leads shorter than 3.5mm Components Features: 3 pcs 830 tie-points breadboard White ABS plastic body with black printed legend. Color legend on distribution strips. With self-adhesive tape on the back With interlocking parts

PACKAGE COMPONENT ? 3 X 830 tie-points. PERFECT SET FOR YOUR EXPERT PROTOTYPING ? A great combination for your needs; Snap together easily in groups; Excellent for Arduino Proto Shield. PIN HOLES ARE EXQUISITELY LINING UP ? Without any intermittent connections; Holes are properly cut out;. NO WORRIES ABOUT CIRCUIT FAILIER ? Spend the better part of your time on Creativity and fun DIY rather than debugging the unknown frailer of the poor breadboards. 100 % SATISFACTION GUARANTED ? Consistent hole alignment; Easy Pin Insertion; Refund if you are not happy without any reason.