The Whadda WPA508 project holder allows you to attach the Arduino\u00AE UNO and the included breadboard together. \nIt contains two grooves (one groove size is 88 x 60 mm), which is the just right size to fit a 400 hole breadboard; the other groove is for the Arduino UNO. \nThe position of the 4 M3 screw holes fits the Arduino\u00AE UNO mounting holes.\n\n--Dimensions: 160 x 106 mm\n--Max. breadboard size: 88 x 60 mm\n--Weight: 50 g\n\n--\nOur eBay Store\n\nWhadda WPA508 Project Holder For Arduino\u00AE Uno Development Board With Breadboard\n\nProduct Details\n\nThe Whadda WPA508 project holder allows you to attach the Arduino\u00AE UNO and the included breadboard together. \nIt contains two grooves (one groove size is 88 x 60 mm), which is the just right size to fit a 400 hole breadboard; the other groove is for the Arduino UNO. \nThe position of the 4 M3 screw holes fits the Arduino\u00AE UNO mounting holes. \n\n--Dimensions: 160 x 106 mm\n--Max. breadboard size: 88 x 60 mm\n--Weig;