CLARKE | Pin Punch 7pcs Set with Heavy Duty Vinyl Roll Storage | PPSCLxWxH : 22x4x4 centimeters Clarke Pin Punch are Hex punches perfect for driving roll pins with perfection. Hardness at the striking end is maintained to under 42 HRC so that the head will not splinter when subject to hammer blows. Packed in heavy duty vinyl rolls for easy access, organization and storage. Hardness at the striking end. Hex punches perfect for driving roll pins with perfection. Packed in heavy duty vinyl rolls. Head will not splinter