SYK-8 Hydraulic Punch Driver Product name Hydraulic Punch Driver Product name: SYK-8 Hydraulic-hole digger Brand or place: YIMA( CHINA) TOOLS Model: SYK-8A Product Description: à The finished distributor, on-off case and plate can change the specification at any time. It can change the size of the tools simply, and will not destroy the surface at all after drilling hole. à We can make the tools according to customerâ s requirement, quick delivery. à When order rectangle and spuare tools, please measure the correct dimension. Model/ Output ton / Weight kg / Steel thickness mm / Stainless steel( mm ) CC-104I+ a / 12/ 8/ 0~ 3.2 / 2.0 Bore path mm ¦ 1/ 2â ( à 21.8mm ) 3/ 4â ( à 27.6mm ) 1â ( à 34.1mm ) 11/ 4â ( à 42.7mm ) 11/ 2â ( à 48.7mm ) 2 â ( à 60.2mm ) 21/ 2â ( à 76.1mm ) 3â ( à 88.9mm ) 31/ 2â ( à 102.8mm ) 4â ( à 115.5mm )