Polished stainless steel trays with a laser-welded handle are sterilizable by any method. Retention rim holds impression material - no adhesive necessary. Includes: (1) Benco Dental™ Stainless Steel Solid Extra Large Lower L-1 Impression Tray (1) Benco Dental™ Stainless Steel Solid Large Lower L-2 Impression Tray (1) Benco Dental™ Stainless Steel Solid Medium Lower L-3 Impression Tray (1) Benco Dental™ Stainless Steel Solid Small Lower L-4 Impression Tray (1) Benco Dental™ Stainless Steel Solid Extra Small Lower L-5 Impression Tray (1) Benco Dental™ Stainless Steel Solid Extra Large Upper U-1 Impression Tray (1) Benco Dental™ Stainless Steel Solid Large Upper U-2 Impression Tray (1) Benco Dental™ Stainless Steel Solid Medium Upper U-3 Impression Tray (1) Benco Dental™ Stainless Steel Solid Small Upper U-4 Impression Tray (1) Benco Dental™ Stainless Steel Solid Extra Small Upper U-5 Impression Tray