Seco Leather Sheath – For 18 to 32 oz Plumb Bobs The Seco Leather Sheath for 18 to 32 oz plumb bobs offers heavy-duty protection for larger plumb bobs used in demanding field conditions. Its rugged construction ensures reliable performance and secure storage. Key Features • Heavy-duty top-grain leather construction • Double-stitched for durability in field use • Belt loop for convenient hands-free carrying • Designed for 18–32 oz (510–907 g) plumb bobs