Description Model – TEC05. Centipede. Metric ruler in the round functional keychain accessory. Fabricated from a rod of 6Al-4V titanium, it has grooves cut at 2mm increments up to 8 cm long. Wider grooves are cut every centimeter for ease of measuring. Comes with split ring and snap ring attachments. Foam lined case. Bulk packed. Specifications Model – TEC05 Centipede Metric ruler in the round functional keychain accessory Fabricated from a rod of 6Al-4V titanium, it has grooves cut at 2mm increments up to 8 cm long Wider grooves are cut every centimeter for ease of measuring Comes with split ring and snap ring attachments Foam lined case Bulk packed.