Marcrist MRCPC85052 Diamond Core Drills. PC850 Diamond Percussion Core 52mm x 165mm. Product dimensions: 5.2L x 5.2W centimetres. Item thickness: 52 Millimetres. Item weight: 0.54 Kilograms. Global Trade Identification Number: 28. Product Dimensions:? 5.99 x 5.99 x 19 cm; 539.77 g. Item model number:? MRCPC85052. Item Weight:? 540 g.