"WYLER" High precision spirit levels, Micrometric Spirit Level 53
"WYLER" High precision spirit levels, Adjustable Micrometer Spirit Level 68
"WYLER" High precision spirit levels 58 SPIRIT, Standard versionwith two prismatic measuring bases bottom horizontal and left hand vertical, contact faces hand scraped.
"WYLER" High precision spirit levels 48 SPIRIT, Standard version with two prismatic measuring bases horizontal and vertical,
"WYLER" High precision spirit levels 55 SPIRIT, Standard version with prismatic measuring base, contact faces hand scraped