All-in-one core transmits power directly to the end of the bit. Carbide tipped active centering bit. Wave design transfers energy through the bit more effectively for up to 40% better drilling performance. Asymmetrical tooth design for fast cutting and longer life. Biscuit color. Made in Germany. 4.5 in. L x 4.5 in. W x 24.25 in. H (5.78 lbs.).