30 piece expansion bolt set in silver tone metal for secure mounting in masonry and concrete Key benefits - Secure anchoring for mounting fixtures into concrete or masonry walls or floors - Includes 30 expansion bolts for multiple installations and replacements - Durable metal construction with a silver tone finish - Designed for mounting surfaces 18-28 mm thick; sleeve length 54 mm for deeper anchoring Specifications - Main Color: Silver Tone - Material: Metal - Package Content: 30 pcs Expansion Bolt - Product Name: Expansion Bolt - Weight: 294 g - Dimension: 13 x 60 mm (D x L); 0.5 in x 2.4 in - Suitable Thickness: 18-28 mm; 0.71 in x 1.1 in - Sleeve Size: 7 x 54 mm (D x L); 0.28 in x 2.13 in Usage scenarios - Mount heavy or medium fixtures such as shelves or brackets to concrete or masonry walls - Install cabinets, brackets, or storage racks to masonry walls or concrete surfaces - Secure handrails or lighting fixtures to concrete ceilings or walls